668731560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3331}}^1$

素因数の和:3591

約数の個数: 128

約数和(自身を含む): 2303078400

約数和(自身を除く): 1634346840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 239, 280, 420, 478, 717, 840, 956, 1195, 1434, 1673, 1912, 2390, 2868, 3331, 3346, 3585, 4780, 5019, 5736, 6662, 6692, 7170, 8365, 9560, 9993, 10038, 13324, 13384, 14340, 16655, 16730, 19986, 20076, 23317, 25095, 26648, 28680, 33310, 33460, 39972, 40152, 46634, 49965, 50190, 66620, 66920, 69951, 79944, 93268, 99930, 100380, 116585, 133240, 139902, 186536, 199860, 200760, 233170, 279804, 349755, 399720, 466340, 559608, 699510, 796109, 932680, 1399020, 1592218, 2388327, 2798040, 3184436, 3980545, 4776654, 5572763, 6368872, 7961090, 9553308, 11145526, 11941635, 15922180, 16718289, 19106616, 22291052, 23883270, 27863815, 31844360, 33436578, 44582104, 47766540, 55727630, 66873156, 83591445, 95533080, 111455260, 133746312, 167182890, 222910520, 334365780, 668731560]

約数ペア:

[(1, 668731560), (2, 334365780), (3, 222910520), (4, 167182890), (5, 133746312), (6, 111455260), (7, 95533080), (8, 83591445), (10, 66873156), (12, 55727630), (14, 47766540), (15, 44582104), (20, 33436578), (21, 31844360), (24, 27863815), (28, 23883270), (30, 22291052), (35, 19106616), (40, 16718289), (42, 15922180), (56, 11941635), (60, 11145526), (70, 9553308), (84, 7961090), (105, 6368872), (120, 5572763), (140, 4776654), (168, 3980545), (210, 3184436), (239, 2798040), (280, 2388327), (420, 1592218), (478, 1399020), (717, 932680), (840, 796109), (956, 699510), (1195, 559608), (1434, 466340), (1673, 399720), (1912, 349755), (2390, 279804), (2868, 233170), (3331, 200760), (3346, 199860), (3585, 186536), (4780, 139902), (5019, 133240), (5736, 116585), (6662, 100380), (6692, 99930), (7170, 93268), (8365, 79944), (9560, 69951), (9993, 66920), (10038, 66620), (13324, 50190), (13384, 49965), (14340, 46634), (16655, 40152), (16730, 39972), (19986, 33460), (20076, 33310), (23317, 28680), (25095, 26648)]