203951280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:659

約数の個数: 160

約数和(自身を含む): 687456000

約数和(自身を除く): 483504720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 131, 156, 195, 208, 240, 260, 262, 312, 390, 393, 499, 520, 524, 624, 655, 780, 786, 998, 1040, 1048, 1310, 1497, 1560, 1572, 1703, 1965, 1996, 2096, 2495, 2620, 2994, 3120, 3144, 3406, 3930, 3992, 4990, 5109, 5240, 5988, 6288, 6487, 6812, 7485, 7860, 7984, 8515, 9980, 10218, 10480, 11976, 12974, 13624, 14970, 15720, 17030, 19461, 19960, 20436, 23952, 25545, 25948, 27248, 29940, 31440, 32435, 34060, 38922, 39920, 40872, 51090, 51896, 59880, 64870, 65369, 68120, 77844, 81744, 97305, 102180, 103792, 119760, 129740, 130738, 136240, 155688, 194610, 196107, 204360, 259480, 261476, 311376, 326845, 389220, 392214, 408720, 518960, 522952, 653690, 778440, 784428, 849797, 980535, 1045904, 1307380, 1556880, 1568856, 1699594, 1961070, 2549391, 2614760, 3137712, 3399188, 3922140, 4248985, 5098782, 5229520, 6798376, 7844280, 8497970, 10197564, 12746955, 13596752, 15688560, 16995940, 20395128, 25493910, 33991880, 40790256, 50987820, 67983760, 101975640, 203951280]

約数ペア:

[(1, 203951280), (2, 101975640), (3, 67983760), (4, 50987820), (5, 40790256), (6, 33991880), (8, 25493910), (10, 20395128), (12, 16995940), (13, 15688560), (15, 13596752), (16, 12746955), (20, 10197564), (24, 8497970), (26, 7844280), (30, 6798376), (39, 5229520), (40, 5098782), (48, 4248985), (52, 3922140), (60, 3399188), (65, 3137712), (78, 2614760), (80, 2549391), (104, 1961070), (120, 1699594), (130, 1568856), (131, 1556880), (156, 1307380), (195, 1045904), (208, 980535), (240, 849797), (260, 784428), (262, 778440), (312, 653690), (390, 522952), (393, 518960), (499, 408720), (520, 392214), (524, 389220), (624, 326845), (655, 311376), (780, 261476), (786, 259480), (998, 204360), (1040, 196107), (1048, 194610), (1310, 155688), (1497, 136240), (1560, 130738), (1572, 129740), (1703, 119760), (1965, 103792), (1996, 102180), (2096, 97305), (2495, 81744), (2620, 77844), (2994, 68120), (3120, 65369), (3144, 64870), (3406, 59880), (3930, 51896), (3992, 51090), (4990, 40872), (5109, 39920), (5240, 38922), (5988, 34060), (6288, 32435), (6487, 31440), (6812, 29940), (7485, 27248), (7860, 25948), (7984, 25545), (8515, 23952), (9980, 20436), (10218, 19960), (10480, 19461), (11976, 17030), (12974, 15720), (13624, 14970)]