123347640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2201

約数の個数: 128

約数和(自身を含む): 409469760

約数和(自身を除く): 286122120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2137, 2220, 2405, 2886, 3848, 4274, 4440, 4810, 5772, 6411, 7215, 8548, 9620, 10685, 11544, 12822, 14430, 17096, 19240, 21370, 25644, 27781, 28860, 32055, 42740, 51288, 55562, 57720, 64110, 79069, 83343, 85480, 111124, 128220, 138905, 158138, 166686, 222248, 237207, 256440, 277810, 316276, 333372, 395345, 416715, 474414, 555620, 632552, 666744, 790690, 833430, 948828, 1027897, 1111240, 1186035, 1581380, 1666860, 1897656, 2055794, 2372070, 3083691, 3162760, 3333720, 4111588, 4744140, 5139485, 6167382, 8223176, 9488280, 10278970, 12334764, 15418455, 20557940, 24669528, 30836910, 41115880, 61673820, 123347640]

約数ペア:

[(1, 123347640), (2, 61673820), (3, 41115880), (4, 30836910), (5, 24669528), (6, 20557940), (8, 15418455), (10, 12334764), (12, 10278970), (13, 9488280), (15, 8223176), (20, 6167382), (24, 5139485), (26, 4744140), (30, 4111588), (37, 3333720), (39, 3162760), (40, 3083691), (52, 2372070), (60, 2055794), (65, 1897656), (74, 1666860), (78, 1581380), (104, 1186035), (111, 1111240), (120, 1027897), (130, 948828), (148, 833430), (156, 790690), (185, 666744), (195, 632552), (222, 555620), (260, 474414), (296, 416715), (312, 395345), (370, 333372), (390, 316276), (444, 277810), (481, 256440), (520, 237207), (555, 222248), (740, 166686), (780, 158138), (888, 138905), (962, 128220), (1110, 111124), (1443, 85480), (1480, 83343), (1560, 79069), (1924, 64110), (2137, 57720), (2220, 55562), (2405, 51288), (2886, 42740), (3848, 32055), (4274, 28860), (4440, 27781), (4810, 25644), (5772, 21370), (6411, 19240), (7215, 17096), (8548, 14430), (9620, 12822), (10685, 11544)]