129999480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{499}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 423360000

約数和(自身を除く): 293360520

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, 167, 195, 260, 312, 334, 390, 499, 501, 520, 668, 780, 835, 998, 1002, 1336, 1497, 1560, 1670, 1996, 2004, 2171, 2495, 2505, 2994, 3340, 3992, 4008, 4342, 4990, 5010, 5988, 6487, 6513, 6680, 7485, 8684, 9980, 10020, 10855, 11976, 12974, 13026, 14970, 17368, 19461, 19960, 20040, 21710, 25948, 26052, 29940, 32435, 32565, 38922, 43420, 51896, 52104, 59880, 64870, 65130, 77844, 83333, 86840, 97305, 129740, 130260, 155688, 166666, 194610, 249999, 259480, 260520, 333332, 389220, 416665, 499998, 666664, 778440, 833330, 999996, 1083329, 1249995, 1666660, 1999992, 2166658, 2499990, 3249987, 3333320, 4333316, 4999980, 5416645, 6499974, 8666632, 9999960, 10833290, 12999948, 16249935, 21666580, 25999896, 32499870, 43333160, 64999740, 129999480]

約数ペア:

[(1, 129999480), (2, 64999740), (3, 43333160), (4, 32499870), (5, 25999896), (6, 21666580), (8, 16249935), (10, 12999948), (12, 10833290), (13, 9999960), (15, 8666632), (20, 6499974), (24, 5416645), (26, 4999980), (30, 4333316), (39, 3333320), (40, 3249987), (52, 2499990), (60, 2166658), (65, 1999992), (78, 1666660), (104, 1249995), (120, 1083329), (130, 999996), (156, 833330), (167, 778440), (195, 666664), (260, 499998), (312, 416665), (334, 389220), (390, 333332), (499, 260520), (501, 259480), (520, 249999), (668, 194610), (780, 166666), (835, 155688), (998, 130260), (1002, 129740), (1336, 97305), (1497, 86840), (1560, 83333), (1670, 77844), (1996, 65130), (2004, 64870), (2171, 59880), (2495, 52104), (2505, 51896), (2994, 43420), (3340, 38922), (3992, 32565), (4008, 32435), (4342, 29940), (4990, 26052), (5010, 25948), (5988, 21710), (6487, 20040), (6513, 19960), (6680, 19461), (7485, 17368), (8684, 14970), (9980, 13026), (10020, 12974), (10855, 11976)]