15791380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 36469440

約数和(自身を除く): 20678060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 401, 716, 802, 895, 1604, 1790, 1969, 2005, 3580, 3938, 4010, 4411, 7876, 8020, 8822, 9845, 17644, 19690, 22055, 39380, 44110, 71779, 88220, 143558, 287116, 358895, 717790, 789569, 1435580, 1579138, 3158276, 3947845, 7895690, 15791380]

約数ペア:

[(1, 15791380), (2, 7895690), (4, 3947845), (5, 3158276), (10, 1579138), (11, 1435580), (20, 789569), (22, 717790), (44, 358895), (55, 287116), (110, 143558), (179, 88220), (220, 71779), (358, 44110), (401, 39380), (716, 22055), (802, 19690), (895, 17644), (1604, 9845), (1790, 8822), (1969, 8020), (2005, 7876), (3580, 4411), (3938, 4010)]