1157680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:541

約数の個数: 40

約数和(自身を含む): 2790000

約数和(自身を除く): 1632320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 499, 580, 998, 1160, 1996, 2320, 2495, 3992, 4990, 7984, 9980, 14471, 19960, 28942, 39920, 57884, 72355, 115768, 144710, 231536, 289420, 578840, 1157680]

約数ペア:

[(1, 1157680), (2, 578840), (4, 289420), (5, 231536), (8, 144710), (10, 115768), (16, 72355), (20, 57884), (29, 39920), (40, 28942), (58, 19960), (80, 14471), (116, 9980), (145, 7984), (232, 4990), (290, 3992), (464, 2495), (499, 2320), (580, 1996), (998, 1160)]