56878640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{601}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 163927008

約数和(自身を除く): 107048368

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 169, 182, 208, 260, 280, 338, 364, 455, 520, 560, 601, 676, 728, 845, 910, 1040, 1183, 1202, 1352, 1456, 1690, 1820, 2366, 2404, 2704, 3005, 3380, 3640, 4207, 4732, 4808, 5915, 6010, 6760, 7280, 7813, 8414, 9464, 9616, 11830, 12020, 13520, 15626, 16828, 18928, 21035, 23660, 24040, 31252, 33656, 39065, 42070, 47320, 48080, 54691, 62504, 67312, 78130, 84140, 94640, 101569, 109382, 125008, 156260, 168280, 203138, 218764, 273455, 312520, 336560, 406276, 437528, 507845, 546910, 625040, 710983, 812552, 875056, 1015690, 1093820, 1421966, 1625104, 2031380, 2187640, 2843932, 3554915, 4062760, 4375280, 5687864, 7109830, 8125520, 11375728, 14219660, 28439320, 56878640]

約数ペア:

[(1, 56878640), (2, 28439320), (4, 14219660), (5, 11375728), (7, 8125520), (8, 7109830), (10, 5687864), (13, 4375280), (14, 4062760), (16, 3554915), (20, 2843932), (26, 2187640), (28, 2031380), (35, 1625104), (40, 1421966), (52, 1093820), (56, 1015690), (65, 875056), (70, 812552), (80, 710983), (91, 625040), (104, 546910), (112, 507845), (130, 437528), (140, 406276), (169, 336560), (182, 312520), (208, 273455), (260, 218764), (280, 203138), (338, 168280), (364, 156260), (455, 125008), (520, 109382), (560, 101569), (601, 94640), (676, 84140), (728, 78130), (845, 67312), (910, 62504), (1040, 54691), (1183, 48080), (1202, 47320), (1352, 42070), (1456, 39065), (1690, 33656), (1820, 31252), (2366, 24040), (2404, 23660), (2704, 21035), (3005, 18928), (3380, 16828), (3640, 15626), (4207, 13520), (4732, 12020), (4808, 11830), (5915, 9616), (6010, 9464), (6760, 8414), (7280, 7813)]