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A018321
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Divisors of 180.
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19
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1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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These divisors represent a special case of the "nice angles" discussed at the Geometry Center when bending generating triangles to construct polyhedra (link given below). - Alford Arnold, Apr 16 2000
There are 752 ways to partition 180 as a sum of some of its distinct divisors (see A033630). This is more than any smaller number (hence 180 is listed in A065218). - Alonso del Arte, Sep 20 2017
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LINKS
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MATHEMATICA
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PROG
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CROSSREFS
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Cf. A018253, A018256, A018261, A018266, A018293, A018412, A018350, A018609, A018676, A178877, A178878, A165412, A178858, A178859, A178860, A178861, A178862, A178863, A178864.
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KEYWORD
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nonn,fini,full,easy
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AUTHOR
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STATUS
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approved
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