61591420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 146934144

約数和(自身を除く): 85342724

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, 821, 1210, 1364, 1642, 1705, 2420, 3284, 3410, 3751, 4105, 6820, 7502, 8210, 9031, 15004, 16420, 18062, 18755, 25451, 36124, 37510, 45155, 50902, 75020, 90310, 99341, 101804, 127255, 180620, 198682, 254510, 279961, 397364, 496705, 509020, 559922, 993410, 1119844, 1399805, 1986820, 2799610, 3079571, 5599220, 6159142, 12318284, 15397855, 30795710, 61591420]

約数ペア:

[(1, 61591420), (2, 30795710), (4, 15397855), (5, 12318284), (10, 6159142), (11, 5599220), (20, 3079571), (22, 2799610), (31, 1986820), (44, 1399805), (55, 1119844), (62, 993410), (110, 559922), (121, 509020), (124, 496705), (155, 397364), (220, 279961), (242, 254510), (310, 198682), (341, 180620), (484, 127255), (605, 101804), (620, 99341), (682, 90310), (821, 75020), (1210, 50902), (1364, 45155), (1642, 37510), (1705, 36124), (2420, 25451), (3284, 18755), (3410, 18062), (3751, 16420), (4105, 15004), (6820, 9031), (7502, 8210)]