1285756680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15551}}^1$

素因数の和:15631

約数の個数: 128

約数和(自身を含む): 4232632320

約数和(自身を除く): 2946875640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 1060, 1272, 1378, 1560, 1590, 2067, 2120, 2756, 3180, 3445, 4134, 5512, 6360, 6890, 8268, 10335, 13780, 15551, 16536, 20670, 27560, 31102, 41340, 46653, 62204, 77755, 82680, 93306, 124408, 155510, 186612, 202163, 233265, 311020, 373224, 404326, 466530, 606489, 622040, 808652, 824203, 933060, 1010815, 1212978, 1617304, 1648406, 1866120, 2021630, 2425956, 2472609, 3032445, 3296812, 4043260, 4121015, 4851912, 4945218, 6064890, 6593624, 8086520, 8242030, 9890436, 10714639, 12129780, 12363045, 16484060, 19780872, 21429278, 24259560, 24726090, 32143917, 32968120, 42858556, 49452180, 53573195, 64287834, 85717112, 98904360, 107146390, 128575668, 160719585, 214292780, 257151336, 321439170, 428585560, 642878340, 1285756680]

約数ペア:

[(1, 1285756680), (2, 642878340), (3, 428585560), (4, 321439170), (5, 257151336), (6, 214292780), (8, 160719585), (10, 128575668), (12, 107146390), (13, 98904360), (15, 85717112), (20, 64287834), (24, 53573195), (26, 49452180), (30, 42858556), (39, 32968120), (40, 32143917), (52, 24726090), (53, 24259560), (60, 21429278), (65, 19780872), (78, 16484060), (104, 12363045), (106, 12129780), (120, 10714639), (130, 9890436), (156, 8242030), (159, 8086520), (195, 6593624), (212, 6064890), (260, 4945218), (265, 4851912), (312, 4121015), (318, 4043260), (390, 3296812), (424, 3032445), (520, 2472609), (530, 2425956), (636, 2021630), (689, 1866120), (780, 1648406), (795, 1617304), (1060, 1212978), (1272, 1010815), (1378, 933060), (1560, 824203), (1590, 808652), (2067, 622040), (2120, 606489), (2756, 466530), (3180, 404326), (3445, 373224), (4134, 311020), (5512, 233265), (6360, 202163), (6890, 186612), (8268, 155510), (10335, 124408), (13780, 93306), (15551, 82680), (16536, 77755), (20670, 62204), (27560, 46653), (31102, 41340)]