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A018365
Divisors of 270.
1
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270
OFFSET
1,2
COMMENTS
This sequence consists of sixteen integers, which add up to 720. We see that 270 * 16 = 4320, and 4320/720 = 6, which is an integer. Therefore 270 is a harmonic divisor number (A001599), only the second one to be abundant (the first is 140). - Alonso del Arte, Sep 30 2017
MATHEMATICA
Divisors[270] (* Alonso del Arte, Sep 30 2017 *)
PROG
(PARI) divisors(270) \\ Charles R Greathouse IV, Jun 21 2017
CROSSREFS
Sequence in context: A018462 A191286 A018659 * A018278 A137809 A219035
KEYWORD
nonn,fini,full,easy
STATUS
approved