157195640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13693}}^1$

素因数の和:13752

約数の個数: 64

約数和(自身を含む): 414106560

約数和(自身を除く): 256910920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 13693, 27386, 54772, 68465, 95851, 109544, 136930, 191702, 273860, 383404, 479255, 547720, 561413, 766808, 958510, 1122826, 1917020, 2245652, 2807065, 3834040, 3929891, 4491304, 5614130, 7859782, 11228260, 15719564, 19649455, 22456520, 31439128, 39298910, 78597820, 157195640]

約数ペア:

[(1, 157195640), (2, 78597820), (4, 39298910), (5, 31439128), (7, 22456520), (8, 19649455), (10, 15719564), (14, 11228260), (20, 7859782), (28, 5614130), (35, 4491304), (40, 3929891), (41, 3834040), (56, 2807065), (70, 2245652), (82, 1917020), (140, 1122826), (164, 958510), (205, 766808), (280, 561413), (287, 547720), (328, 479255), (410, 383404), (574, 273860), (820, 191702), (1148, 136930), (1435, 109544), (1640, 95851), (2296, 68465), (2870, 54772), (5740, 27386), (11480, 13693)]