815242340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{10867}}^1$

素因数の和:10929

約数の個数: 72

約数和(自身を含む): 1942676736

約数和(自身を除く): 1127434396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2420, 3410, 3751, 6820, 7502, 10867, 15004, 18755, 21734, 37510, 43468, 54335, 75020, 108670, 119537, 217340, 239074, 336877, 478148, 597685, 673754, 1195370, 1314907, 1347508, 1684385, 2390740, 2629814, 3368770, 3705647, 5259628, 6574535, 6737540, 7411294, 13149070, 14822588, 18528235, 26298140, 37056470, 40762117, 74112940, 81524234, 163048468, 203810585, 407621170, 815242340]

約数ペア:

[(1, 815242340), (2, 407621170), (4, 203810585), (5, 163048468), (10, 81524234), (11, 74112940), (20, 40762117), (22, 37056470), (31, 26298140), (44, 18528235), (55, 14822588), (62, 13149070), (110, 7411294), (121, 6737540), (124, 6574535), (155, 5259628), (220, 3705647), (242, 3368770), (310, 2629814), (341, 2390740), (484, 1684385), (605, 1347508), (620, 1314907), (682, 1195370), (1210, 673754), (1364, 597685), (1705, 478148), (2420, 336877), (3410, 239074), (3751, 217340), (6820, 119537), (7502, 108670), (10867, 75020), (15004, 54335), (18755, 43468), (21734, 37510)]