18802320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 58776000

約数和(自身を除く): 39973680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 499, 628, 785, 942, 998, 1256, 1497, 1570, 1884, 1996, 2355, 2495, 2512, 2994, 3140, 3768, 3992, 4710, 4990, 5988, 6280, 7485, 7536, 7984, 9420, 9980, 11976, 12560, 14970, 18840, 19960, 23952, 29940, 37680, 39920, 59880, 78343, 119760, 156686, 235029, 313372, 391715, 470058, 626744, 783430, 940116, 1175145, 1253488, 1566860, 1880232, 2350290, 3133720, 3760464, 4700580, 6267440, 9401160, 18802320]

約数ペア:

[(1, 18802320), (2, 9401160), (3, 6267440), (4, 4700580), (5, 3760464), (6, 3133720), (8, 2350290), (10, 1880232), (12, 1566860), (15, 1253488), (16, 1175145), (20, 940116), (24, 783430), (30, 626744), (40, 470058), (48, 391715), (60, 313372), (80, 235029), (120, 156686), (157, 119760), (240, 78343), (314, 59880), (471, 39920), (499, 37680), (628, 29940), (785, 23952), (942, 19960), (998, 18840), (1256, 14970), (1497, 12560), (1570, 11976), (1884, 9980), (1996, 9420), (2355, 7984), (2495, 7536), (2512, 7485), (2994, 6280), (3140, 5988), (3768, 4990), (3992, 4710)]