9815640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 29691360

約数和(自身を除く): 19875720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 521, 628, 785, 942, 1042, 1256, 1563, 1570, 1884, 2084, 2355, 2605, 3126, 3140, 3768, 4168, 4710, 5210, 6252, 6280, 7815, 9420, 10420, 12504, 15630, 18840, 20840, 31260, 62520, 81797, 163594, 245391, 327188, 408985, 490782, 654376, 817970, 981564, 1226955, 1635940, 1963128, 2453910, 3271880, 4907820, 9815640]

約数ペア:

[(1, 9815640), (2, 4907820), (3, 3271880), (4, 2453910), (5, 1963128), (6, 1635940), (8, 1226955), (10, 981564), (12, 817970), (15, 654376), (20, 490782), (24, 408985), (30, 327188), (40, 245391), (60, 163594), (120, 81797), (157, 62520), (314, 31260), (471, 20840), (521, 18840), (628, 15630), (785, 12504), (942, 10420), (1042, 9420), (1256, 7815), (1563, 6280), (1570, 6252), (1884, 5210), (2084, 4710), (2355, 4168), (2605, 3768), (3126, 3140)]