631877360

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 1493743680

約数和(自身を除く): 861866320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 233, 311, 436, 466, 545, 622, 872, 932, 1090, 1165, 1244, 1555, 1744, 1864, 2180, 2330, 2488, 3110, 3728, 4360, 4660, 4976, 6220, 8720, 9320, 12440, 18640, 24880, 25397, 33899, 50794, 67798, 72463, 101588, 126985, 135596, 144926, 169495, 203176, 253970, 271192, 289852, 338990, 362315, 406352, 507940, 542384, 579704, 677980, 724630, 1015880, 1159408, 1355960, 1449260, 2031760, 2711920, 2898520, 5797040, 7898467, 15796934, 31593868, 39492335, 63187736, 78984670, 126375472, 157969340, 315938680, 631877360]

約数ペア:

[(1, 631877360), (2, 315938680), (4, 157969340), (5, 126375472), (8, 78984670), (10, 63187736), (16, 39492335), (20, 31593868), (40, 15796934), (80, 7898467), (109, 5797040), (218, 2898520), (233, 2711920), (311, 2031760), (436, 1449260), (466, 1355960), (545, 1159408), (622, 1015880), (872, 724630), (932, 677980), (1090, 579704), (1165, 542384), (1244, 507940), (1555, 406352), (1744, 362315), (1864, 338990), (2180, 289852), (2330, 271192), (2488, 253970), (3110, 203176), (3728, 169495), (4360, 144926), (4660, 135596), (4976, 126985), (6220, 101588), (8720, 72463), (9320, 67798), (12440, 50794), (18640, 33899), (24880, 25397)]