7931640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 24003360

約数和(自身を除く): 16071720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 421, 471, 628, 785, 842, 942, 1256, 1263, 1570, 1684, 1884, 2105, 2355, 2526, 3140, 3368, 3768, 4210, 4710, 5052, 6280, 6315, 8420, 9420, 10104, 12630, 16840, 18840, 25260, 50520, 66097, 132194, 198291, 264388, 330485, 396582, 528776, 660970, 793164, 991455, 1321940, 1586328, 1982910, 2643880, 3965820, 7931640]

約数ペア:

[(1, 7931640), (2, 3965820), (3, 2643880), (4, 1982910), (5, 1586328), (6, 1321940), (8, 991455), (10, 793164), (12, 660970), (15, 528776), (20, 396582), (24, 330485), (30, 264388), (40, 198291), (60, 132194), (120, 66097), (157, 50520), (314, 25260), (421, 18840), (471, 16840), (628, 12630), (785, 10104), (842, 9420), (942, 8420), (1256, 6315), (1263, 6280), (1570, 5052), (1684, 4710), (1884, 4210), (2105, 3768), (2355, 3368), (2526, 3140)]