28108140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1621}}^1$

素因数の和:1667

約数の個数: 72

約数和(自身を含む): 83656272

約数和(自身を除く): 55548132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1445, 1621, 1734, 2890, 3242, 3468, 4335, 4863, 5780, 6484, 8105, 8670, 9726, 16210, 17340, 19452, 24315, 27557, 32420, 48630, 55114, 82671, 97260, 110228, 137785, 165342, 275570, 330684, 413355, 468469, 551140, 826710, 936938, 1405407, 1653420, 1873876, 2342345, 2810814, 4684690, 5621628, 7027035, 9369380, 14054070, 28108140]

約数ペア:

[(1, 28108140), (2, 14054070), (3, 9369380), (4, 7027035), (5, 5621628), (6, 4684690), (10, 2810814), (12, 2342345), (15, 1873876), (17, 1653420), (20, 1405407), (30, 936938), (34, 826710), (51, 551140), (60, 468469), (68, 413355), (85, 330684), (102, 275570), (170, 165342), (204, 137785), (255, 110228), (289, 97260), (340, 82671), (510, 55114), (578, 48630), (867, 32420), (1020, 27557), (1156, 24315), (1445, 19452), (1621, 17340), (1734, 16210), (2890, 9726), (3242, 8670), (3468, 8105), (4335, 6484), (4863, 5780)]