257026920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2141891}}^1$

素因数の和:2141905

約数の個数: 32

約数和(自身を含む): 771081120

約数和(自身を除く): 514054200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2141891, 4283782, 6425673, 8567564, 10709455, 12851346, 17135128, 21418910, 25702692, 32128365, 42837820, 51405384, 64256730, 85675640, 128513460, 257026920]

約数ペア:

[(1, 257026920), (2, 128513460), (3, 85675640), (4, 64256730), (5, 51405384), (6, 42837820), (8, 32128365), (10, 25702692), (12, 21418910), (15, 17135128), (20, 12851346), (24, 10709455), (30, 8567564), (40, 6425673), (60, 4283782), (120, 2141891)]