17997780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3797}}^1$

素因数の和:3888

約数の個数: 48

約数和(自身を含む): 51045120

約数和(自身を除く): 33047340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 3797, 4740, 7594, 11391, 15188, 18985, 22782, 37970, 45564, 56955, 75940, 113910, 227820, 299963, 599926, 899889, 1199852, 1499815, 1799778, 2999630, 3599556, 4499445, 5999260, 8998890, 17997780]

約数ペア:

[(1, 17997780), (2, 8998890), (3, 5999260), (4, 4499445), (5, 3599556), (6, 2999630), (10, 1799778), (12, 1499815), (15, 1199852), (20, 899889), (30, 599926), (60, 299963), (79, 227820), (158, 113910), (237, 75940), (316, 56955), (395, 45564), (474, 37970), (790, 22782), (948, 18985), (1185, 15188), (1580, 11391), (2370, 7594), (3797, 4740)]