71987640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3821}}^1$

素因数の和:3992

約数の個数: 64

約数和(自身を含む): 217395360

約数和(自身を除く): 145407720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 3821, 4710, 6280, 7642, 9420, 11463, 15284, 18840, 19105, 22926, 30568, 38210, 45852, 57315, 76420, 91704, 114630, 152840, 229260, 458520, 599897, 1199794, 1799691, 2399588, 2999485, 3599382, 4799176, 5998970, 7198764, 8998455, 11997940, 14397528, 17996910, 23995880, 35993820, 71987640]

約数ペア:

[(1, 71987640), (2, 35993820), (3, 23995880), (4, 17996910), (5, 14397528), (6, 11997940), (8, 8998455), (10, 7198764), (12, 5998970), (15, 4799176), (20, 3599382), (24, 2999485), (30, 2399588), (40, 1799691), (60, 1199794), (120, 599897), (157, 458520), (314, 229260), (471, 152840), (628, 114630), (785, 91704), (942, 76420), (1256, 57315), (1570, 45852), (1884, 38210), (2355, 30568), (3140, 22926), (3768, 19105), (3821, 18840), (4710, 15284), (6280, 11463), (7642, 9420)]