66672840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 218534400

約数和(自身を除く): 151861560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 260, 312, 316, 390, 395, 474, 520, 541, 632, 780, 790, 948, 1027, 1082, 1185, 1560, 1580, 1623, 1896, 2054, 2164, 2370, 2705, 3081, 3160, 3246, 4108, 4328, 4740, 5135, 5410, 6162, 6492, 7033, 8115, 8216, 9480, 10270, 10820, 12324, 12984, 14066, 15405, 16230, 20540, 21099, 21640, 24648, 28132, 30810, 32460, 35165, 41080, 42198, 42739, 56264, 61620, 64920, 70330, 84396, 85478, 105495, 123240, 128217, 140660, 168792, 170956, 210990, 213695, 256434, 281320, 341912, 421980, 427390, 512868, 555607, 641085, 843960, 854780, 1025736, 1111214, 1282170, 1666821, 1709560, 2222428, 2564340, 2778035, 3333642, 4444856, 5128680, 5556070, 6667284, 8334105, 11112140, 13334568, 16668210, 22224280, 33336420, 66672840]

約数ペア:

[(1, 66672840), (2, 33336420), (3, 22224280), (4, 16668210), (5, 13334568), (6, 11112140), (8, 8334105), (10, 6667284), (12, 5556070), (13, 5128680), (15, 4444856), (20, 3333642), (24, 2778035), (26, 2564340), (30, 2222428), (39, 1709560), (40, 1666821), (52, 1282170), (60, 1111214), (65, 1025736), (78, 854780), (79, 843960), (104, 641085), (120, 555607), (130, 512868), (156, 427390), (158, 421980), (195, 341912), (237, 281320), (260, 256434), (312, 213695), (316, 210990), (390, 170956), (395, 168792), (474, 140660), (520, 128217), (541, 123240), (632, 105495), (780, 85478), (790, 84396), (948, 70330), (1027, 64920), (1082, 61620), (1185, 56264), (1560, 42739), (1580, 42198), (1623, 41080), (1896, 35165), (2054, 32460), (2164, 30810), (2370, 28132), (2705, 24648), (3081, 21640), (3160, 21099), (3246, 20540), (4108, 16230), (4328, 15405), (4740, 14066), (5135, 12984), (5410, 12324), (6162, 10820), (6492, 10270), (7033, 9480), (8115, 8216)]