128356770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{30781}}^1$

素因数の和:30930

約数の個数: 32

約数和(自身を含む): 310282560

約数和(自身を除く): 181925790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 30781, 61562, 92343, 153905, 184686, 307810, 461715, 923430, 4278559, 8557118, 12835677, 21392795, 25671354, 42785590, 64178385, 128356770]

約数ペア:

[(1, 128356770), (2, 64178385), (3, 42785590), (5, 25671354), (6, 21392795), (10, 12835677), (15, 8557118), (30, 4278559), (139, 923430), (278, 461715), (417, 307810), (695, 184686), (834, 153905), (1390, 92343), (2085, 61562), (4170, 30781)]