409080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 1405440

約数和(自身を除く): 996360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 487, 840, 974, 1461, 1948, 2435, 2922, 3409, 3896, 4870, 5844, 6818, 7305, 9740, 10227, 11688, 13636, 14610, 17045, 19480, 20454, 27272, 29220, 34090, 40908, 51135, 58440, 68180, 81816, 102270, 136360, 204540, 409080]

約数ペア:

[(1, 409080), (2, 204540), (3, 136360), (4, 102270), (5, 81816), (6, 68180), (7, 58440), (8, 51135), (10, 40908), (12, 34090), (14, 29220), (15, 27272), (20, 20454), (21, 19480), (24, 17045), (28, 14610), (30, 13636), (35, 11688), (40, 10227), (42, 9740), (56, 7305), (60, 6818), (70, 5844), (84, 4870), (105, 3896), (120, 3409), (140, 2922), (168, 2435), (210, 1948), (280, 1461), (420, 974), (487, 840)]