65744140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3881}}^1$

素因数の和:3919

約数の個数: 72

約数和(自身を含む): 173478816

約数和(自身を除く): 107734676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 3881, 4235, 7762, 8470, 15524, 16940, 19405, 27167, 38810, 42691, 54334, 77620, 85382, 108668, 135835, 170764, 213455, 271670, 298837, 426910, 469601, 543340, 597674, 853820, 939202, 1195348, 1494185, 1878404, 2348005, 2988370, 3287207, 4696010, 5976740, 6574414, 9392020, 13148828, 16436035, 32872070, 65744140]

約数ペア:

[(1, 65744140), (2, 32872070), (4, 16436035), (5, 13148828), (7, 9392020), (10, 6574414), (11, 5976740), (14, 4696010), (20, 3287207), (22, 2988370), (28, 2348005), (35, 1878404), (44, 1494185), (55, 1195348), (70, 939202), (77, 853820), (110, 597674), (121, 543340), (140, 469601), (154, 426910), (220, 298837), (242, 271670), (308, 213455), (385, 170764), (484, 135835), (605, 108668), (770, 85382), (847, 77620), (1210, 54334), (1540, 42691), (1694, 38810), (2420, 27167), (3388, 19405), (3881, 16940), (4235, 15524), (7762, 8470)]