661407110520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{512671}}^1$

素因数の和:513525

約数の個数: 128

約数和(自身を含む): 2139441776640

約数和(自身を除く): 1478034666120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 827, 1560, 1654, 2481, 3308, 4135, 4962, 6616, 8270, 9924, 10751, 12405, 16540, 19848, 21502, 24810, 32253, 33080, 43004, 49620, 53755, 64506, 86008, 99240, 107510, 129012, 161265, 215020, 258024, 322530, 430040, 512671, 645060, 1025342, 1290120, 1538013, 2050684, 2563355, 3076026, 4101368, 5126710, 6152052, 6664723, 7690065, 10253420, 12304104, 13329446, 15380130, 19994169, 20506840, 26658892, 30760260, 33323615, 39988338, 53317784, 61520520, 66647230, 79976676, 99970845, 133294460, 159953352, 199941690, 266588920, 399883380, 423978917, 799766760, 847957834, 1271936751, 1695915668, 2119894585, 2543873502, 3391831336, 4239789170, 5087747004, 5511725921, 6359683755, 8479578340, 10175494008, 11023451842, 12719367510, 16535177763, 16959156680, 22046903684, 25438735020, 27558629605, 33070355526, 44093807368, 50877470040, 55117259210, 66140711052, 82675888815, 110234518420, 132281422104, 165351777630, 220469036840, 330703555260, 661407110520]

約数ペア:

[(1, 661407110520), (2, 330703555260), (3, 220469036840), (4, 165351777630), (5, 132281422104), (6, 110234518420), (8, 82675888815), (10, 66140711052), (12, 55117259210), (13, 50877470040), (15, 44093807368), (20, 33070355526), (24, 27558629605), (26, 25438735020), (30, 22046903684), (39, 16959156680), (40, 16535177763), (52, 12719367510), (60, 11023451842), (65, 10175494008), (78, 8479578340), (104, 6359683755), (120, 5511725921), (130, 5087747004), (156, 4239789170), (195, 3391831336), (260, 2543873502), (312, 2119894585), (390, 1695915668), (520, 1271936751), (780, 847957834), (827, 799766760), (1560, 423978917), (1654, 399883380), (2481, 266588920), (3308, 199941690), (4135, 159953352), (4962, 133294460), (6616, 99970845), (8270, 79976676), (9924, 66647230), (10751, 61520520), (12405, 53317784), (16540, 39988338), (19848, 33323615), (21502, 30760260), (24810, 26658892), (32253, 20506840), (33080, 19994169), (43004, 15380130), (49620, 13329446), (53755, 12304104), (64506, 10253420), (86008, 7690065), (99240, 6664723), (107510, 6152052), (129012, 5126710), (161265, 4101368), (215020, 3076026), (258024, 2563355), (322530, 2050684), (430040, 1538013), (512671, 1290120), (645060, 1025342)]