57788560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 139651776

約数和(自身を除く): 81863216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 107, 157, 172, 214, 215, 314, 344, 428, 430, 535, 628, 688, 785, 856, 860, 1070, 1256, 1570, 1712, 1720, 2140, 2512, 3140, 3440, 4280, 4601, 6280, 6751, 8560, 9202, 12560, 13502, 16799, 18404, 23005, 27004, 33598, 33755, 36808, 46010, 54008, 67196, 67510, 73616, 83995, 92020, 108016, 134392, 135020, 167990, 184040, 268784, 270040, 335980, 368080, 540080, 671960, 722357, 1343920, 1444714, 2889428, 3611785, 5778856, 7223570, 11557712, 14447140, 28894280, 57788560]

約数ペア:

[(1, 57788560), (2, 28894280), (4, 14447140), (5, 11557712), (8, 7223570), (10, 5778856), (16, 3611785), (20, 2889428), (40, 1444714), (43, 1343920), (80, 722357), (86, 671960), (107, 540080), (157, 368080), (172, 335980), (214, 270040), (215, 268784), (314, 184040), (344, 167990), (428, 135020), (430, 134392), (535, 108016), (628, 92020), (688, 83995), (785, 73616), (856, 67510), (860, 67196), (1070, 54008), (1256, 46010), (1570, 36808), (1712, 33755), (1720, 33598), (2140, 27004), (2512, 23005), (3140, 18404), (3440, 16799), (4280, 13502), (4601, 12560), (6280, 9202), (6751, 8560)]