56700280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 161642880

約数和(自身を除く): 104942600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 421, 455, 481, 518, 520, 728, 740, 842, 910, 962, 1036, 1295, 1480, 1684, 1820, 1924, 2072, 2105, 2405, 2590, 2947, 3367, 3368, 3640, 3848, 4210, 4810, 5180, 5473, 5894, 6734, 8420, 9620, 10360, 10946, 11788, 13468, 14735, 15577, 16835, 16840, 19240, 21892, 23576, 26936, 27365, 29470, 31154, 33670, 38311, 43784, 54730, 58940, 62308, 67340, 76622, 77885, 109039, 109460, 117880, 124616, 134680, 153244, 155770, 191555, 202501, 218078, 218920, 306488, 311540, 383110, 405002, 436156, 545195, 623080, 766220, 810004, 872312, 1012505, 1090390, 1417507, 1532440, 1620008, 2025010, 2180780, 2835014, 4050020, 4361560, 5670028, 7087535, 8100040, 11340056, 14175070, 28350140, 56700280]

約数ペア:

[(1, 56700280), (2, 28350140), (4, 14175070), (5, 11340056), (7, 8100040), (8, 7087535), (10, 5670028), (13, 4361560), (14, 4050020), (20, 2835014), (26, 2180780), (28, 2025010), (35, 1620008), (37, 1532440), (40, 1417507), (52, 1090390), (56, 1012505), (65, 872312), (70, 810004), (74, 766220), (91, 623080), (104, 545195), (130, 436156), (140, 405002), (148, 383110), (182, 311540), (185, 306488), (259, 218920), (260, 218078), (280, 202501), (296, 191555), (364, 155770), (370, 153244), (421, 134680), (455, 124616), (481, 117880), (518, 109460), (520, 109039), (728, 77885), (740, 76622), (842, 67340), (910, 62308), (962, 58940), (1036, 54730), (1295, 43784), (1480, 38311), (1684, 33670), (1820, 31154), (1924, 29470), (2072, 27365), (2105, 26936), (2405, 23576), (2590, 21892), (2947, 19240), (3367, 16840), (3368, 16835), (3640, 15577), (3848, 14735), (4210, 13468), (4810, 11788), (5180, 10946), (5473, 10360), (5894, 9620), (6734, 8420)]