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A178862 Divisors of 20160. 19

%I #16 Jan 27 2021 05:14:30

%S 1,2,3,4,5,6,7,8,9,10,12,14,15,16,18,20,21,24,28,30,32,35,36,40,42,45,

%T 48,56,60,63,64,70,72,80,84,90,96,105,112,120,126,140,144,160,168,180,

%U 192,210,224,240,252,280,288,315,320,336,360,420,448,480,504,560,576

%N Divisors of 20160.

%C 20160 is a highly composite number: A002182(23)=20160.

%C The sequence is finite with A002183(23)=84 terms: a(84)=20160.

%H Reinhard Zumkeller, <a href="/A178862/b178862.txt">Table of n, a(n) for n = 1..84</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HighlyCompositeNumber.html">Highly Composite Number</a>

%H <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a>

%t Divisors[20160] (* _Vladimir Joseph Stephan Orlovsky_, Feb 21 2012 *)

%o (PARI) A178862=divisors(20160) \\ _M. F. Hasler_, Feb 14 2013

%Y Cf. A018253, A018256, A018261, A018266, A018293, A018321, A018350, A018412, A018609, A018676, A178877, A178878, A165412, A178858, A178859, A178860, A178861, A178863, A178864.

%K fini,nonn,easy,full

%O 1,2

%A _Reinhard Zumkeller_, Jun 21 2010

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