A165412 Divisors of 2520.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520

Offset: 1

Author

Reinhard Zumkeller, Sep 17 2009

Keywords

• fini
• full
• nonn
• easy

Comments

2520 is the largest and last of most highly composite numbers = A072938(7) = A002182(18) = 2520;

a(A000005(2520)) = a(48) = 2520 is the last term.

A242627(2520*n) = 9. - Reinhard Zumkeller, Jul 16 2014

Links

• Eric Weisstein's World of Mathematics, Highly Composite Number
• Index entries for sequences related to divisors of numbers

Crossrefs

Cf. A018336, A018357, A018388, A018412, A018444, A018490, A018559, and A018676 are subsets.

Cf. A018253, A018256, A018261, A018266, A018293, A018321, A018350, A018609, A178877, A178878, A178858, A178859, A178860, A178861, A178862, A178863, A178864.

Programs

Mathematica

Divisors[2520] (* Wesley Ivan Hurt, Mar 20 2022 *)

PARI

divisors(2520) \\ Charles R Greathouse IV, Jun 21 2017