660657870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{815627}}^1$

素因数の和:815646

約数の個数: 40

約数和(自身を含む): 1776437784

約数和(自身を除く): 1115779914

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 815627, 1631254, 2446881, 4078135, 4893762, 7340643, 8156270, 12234405, 14681286, 22021929, 24468810, 36703215, 44043858, 66065787, 73406430, 110109645, 132131574, 220219290, 330328935, 660657870]

約数ペア:

[(1, 660657870), (2, 330328935), (3, 220219290), (5, 132131574), (6, 110109645), (9, 73406430), (10, 66065787), (15, 44043858), (18, 36703215), (27, 24468810), (30, 22021929), (45, 14681286), (54, 12234405), (81, 8156270), (90, 7340643), (135, 4893762), (162, 4078135), (270, 2446881), (405, 1631254), (810, 815627)]