312528040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2621}}^1$

素因数の和:2914

約数の個数: 64

約数和(自身を含む): 770238720

約数和(自身を除く): 457710680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 271, 440, 542, 1084, 1355, 2168, 2621, 2710, 2981, 5242, 5420, 5962, 10484, 10840, 11924, 13105, 14905, 20968, 23848, 26210, 28831, 29810, 52420, 57662, 59620, 104840, 115324, 119240, 144155, 230648, 288310, 576620, 710291, 1153240, 1420582, 2841164, 3551455, 5682328, 7102910, 7813201, 14205820, 15626402, 28411640, 31252804, 39066005, 62505608, 78132010, 156264020, 312528040]

約数ペア:

[(1, 312528040), (2, 156264020), (4, 78132010), (5, 62505608), (8, 39066005), (10, 31252804), (11, 28411640), (20, 15626402), (22, 14205820), (40, 7813201), (44, 7102910), (55, 5682328), (88, 3551455), (110, 2841164), (220, 1420582), (271, 1153240), (440, 710291), (542, 576620), (1084, 288310), (1355, 230648), (2168, 144155), (2621, 119240), (2710, 115324), (2981, 104840), (5242, 59620), (5420, 57662), (5962, 52420), (10484, 29810), (10840, 28831), (11924, 26210), (13105, 23848), (14905, 20968)]