61568520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:735

約数の個数: 128

約数和(自身を含む): 202487040

約数和(自身を除く): 140918520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 305, 312, 366, 390, 488, 520, 610, 647, 732, 780, 793, 915, 1220, 1294, 1464, 1560, 1586, 1830, 1941, 2379, 2440, 2588, 3172, 3235, 3660, 3882, 3965, 4758, 5176, 6344, 6470, 7320, 7764, 7930, 8411, 9516, 9705, 11895, 12940, 15528, 15860, 16822, 19032, 19410, 23790, 25233, 25880, 31720, 33644, 38820, 39467, 42055, 47580, 50466, 67288, 77640, 78934, 84110, 95160, 100932, 118401, 126165, 157868, 168220, 197335, 201864, 236802, 252330, 315736, 336440, 394670, 473604, 504660, 513071, 592005, 789340, 947208, 1009320, 1026142, 1184010, 1539213, 1578680, 2052284, 2368020, 2565355, 3078426, 4104568, 4736040, 5130710, 6156852, 7696065, 10261420, 12313704, 15392130, 20522840, 30784260, 61568520]

約数ペア:

[(1, 61568520), (2, 30784260), (3, 20522840), (4, 15392130), (5, 12313704), (6, 10261420), (8, 7696065), (10, 6156852), (12, 5130710), (13, 4736040), (15, 4104568), (20, 3078426), (24, 2565355), (26, 2368020), (30, 2052284), (39, 1578680), (40, 1539213), (52, 1184010), (60, 1026142), (61, 1009320), (65, 947208), (78, 789340), (104, 592005), (120, 513071), (122, 504660), (130, 473604), (156, 394670), (183, 336440), (195, 315736), (244, 252330), (260, 236802), (305, 201864), (312, 197335), (366, 168220), (390, 157868), (488, 126165), (520, 118401), (610, 100932), (647, 95160), (732, 84110), (780, 78934), (793, 77640), (915, 67288), (1220, 50466), (1294, 47580), (1464, 42055), (1560, 39467), (1586, 38820), (1830, 33644), (1941, 31720), (2379, 25880), (2440, 25233), (2588, 23790), (3172, 19410), (3235, 19032), (3660, 16822), (3882, 15860), (3965, 15528), (4758, 12940), (5176, 11895), (6344, 9705), (6470, 9516), (7320, 8411), (7764, 7930)]