30128928

素因数分解:

$2^5\times 3^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2169

約数の個数: 48

約数和(自身を含む): 79632000

約数和(自身を除く): 49503072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 157, 314, 471, 628, 942, 1256, 1884, 1999, 2512, 3768, 3998, 5024, 5997, 7536, 7996, 11994, 15072, 15992, 23988, 31984, 47976, 63968, 95952, 191904, 313843, 627686, 941529, 1255372, 1883058, 2510744, 3766116, 5021488, 7532232, 10042976, 15064464, 30128928]

約数ペア:

[(1, 30128928), (2, 15064464), (3, 10042976), (4, 7532232), (6, 5021488), (8, 3766116), (12, 2510744), (16, 1883058), (24, 1255372), (32, 941529), (48, 627686), (96, 313843), (157, 191904), (314, 95952), (471, 63968), (628, 47976), (942, 31984), (1256, 23988), (1884, 15992), (1999, 15072), (2512, 11994), (3768, 7996), (3998, 7536), (5024, 5997)]