668903640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 2046643200

約数和(自身を除く): 1377739560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 239, 249, 281, 332, 415, 478, 498, 562, 664, 717, 830, 843, 956, 996, 1124, 1195, 1245, 1405, 1434, 1660, 1686, 1912, 1992, 2248, 2390, 2490, 2810, 2868, 3320, 3372, 3585, 4215, 4780, 4980, 5620, 5736, 6744, 7170, 8430, 9560, 9960, 11240, 14340, 16860, 19837, 23323, 28680, 33720, 39674, 46646, 59511, 67159, 69969, 79348, 93292, 99185, 116615, 119022, 134318, 139938, 158696, 186584, 198370, 201477, 233230, 238044, 268636, 279876, 297555, 335795, 349845, 396740, 402954, 466460, 476088, 537272, 559752, 595110, 671590, 699690, 793480, 805908, 932920, 1007385, 1190220, 1343180, 1399380, 1611816, 2014770, 2380440, 2686360, 2798760, 4029540, 5574197, 8059080, 11148394, 16722591, 22296788, 27870985, 33445182, 44593576, 55741970, 66890364, 83612955, 111483940, 133780728, 167225910, 222967880, 334451820, 668903640]

約数ペア:

[(1, 668903640), (2, 334451820), (3, 222967880), (4, 167225910), (5, 133780728), (6, 111483940), (8, 83612955), (10, 66890364), (12, 55741970), (15, 44593576), (20, 33445182), (24, 27870985), (30, 22296788), (40, 16722591), (60, 11148394), (83, 8059080), (120, 5574197), (166, 4029540), (239, 2798760), (249, 2686360), (281, 2380440), (332, 2014770), (415, 1611816), (478, 1399380), (498, 1343180), (562, 1190220), (664, 1007385), (717, 932920), (830, 805908), (843, 793480), (956, 699690), (996, 671590), (1124, 595110), (1195, 559752), (1245, 537272), (1405, 476088), (1434, 466460), (1660, 402954), (1686, 396740), (1912, 349845), (1992, 335795), (2248, 297555), (2390, 279876), (2490, 268636), (2810, 238044), (2868, 233230), (3320, 201477), (3372, 198370), (3585, 186584), (4215, 158696), (4780, 139938), (4980, 134318), (5620, 119022), (5736, 116615), (6744, 99185), (7170, 93292), (8430, 79348), (9560, 69969), (9960, 67159), (11240, 59511), (14340, 46646), (16860, 39674), (19837, 33720), (23323, 28680)]