1256730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 3046464

約数和(自身を除く): 1789734

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 257, 326, 489, 514, 771, 815, 978, 1285, 1542, 1630, 2445, 2570, 3855, 4890, 7710, 41891, 83782, 125673, 209455, 251346, 418910, 628365, 1256730]

約数ペア:

[(1, 1256730), (2, 628365), (3, 418910), (5, 251346), (6, 209455), (10, 125673), (15, 83782), (30, 41891), (163, 7710), (257, 4890), (326, 3855), (489, 2570), (514, 2445), (771, 1630), (815, 1542), (978, 1285)]