289620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1609}}^1$

素因数の和:1624

約数の個数: 36

約数和(自身を含む): 879060

約数和(自身を除く): 589440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1609, 3218, 4827, 6436, 8045, 9654, 14481, 16090, 19308, 24135, 28962, 32180, 48270, 57924, 72405, 96540, 144810, 289620]

約数ペア:

[(1, 289620), (2, 144810), (3, 96540), (4, 72405), (5, 57924), (6, 48270), (9, 32180), (10, 28962), (12, 24135), (15, 19308), (18, 16090), (20, 14481), (30, 9654), (36, 8045), (45, 6436), (60, 4827), (90, 3218), (180, 1609)]