71752120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 177020640

約数和(自身を除く): 105268520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 313, 440, 521, 626, 1042, 1252, 1565, 2084, 2504, 2605, 3130, 3443, 4168, 5210, 5731, 6260, 6886, 10420, 11462, 12520, 13772, 17215, 20840, 22924, 27544, 28655, 34430, 45848, 57310, 68860, 114620, 137720, 163073, 229240, 326146, 652292, 815365, 1304584, 1630730, 1793803, 3261460, 3587606, 6522920, 7175212, 8969015, 14350424, 17938030, 35876060, 71752120]

約数ペア:

[(1, 71752120), (2, 35876060), (4, 17938030), (5, 14350424), (8, 8969015), (10, 7175212), (11, 6522920), (20, 3587606), (22, 3261460), (40, 1793803), (44, 1630730), (55, 1304584), (88, 815365), (110, 652292), (220, 326146), (313, 229240), (440, 163073), (521, 137720), (626, 114620), (1042, 68860), (1252, 57310), (1565, 45848), (2084, 34430), (2504, 28655), (2605, 27544), (3130, 22924), (3443, 20840), (4168, 17215), (5210, 13772), (5731, 12520), (6260, 11462), (6886, 10420)]