157653840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{656891}}^1$

素因数の和:656907

約数の個数: 40

約数和(自身を含む): 488727648

約数和(自身を除く): 331073808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 656891, 1313782, 1970673, 2627564, 3284455, 3941346, 5255128, 6568910, 7882692, 9853365, 10510256, 13137820, 15765384, 19706730, 26275640, 31530768, 39413460, 52551280, 78826920, 157653840]

約数ペア:

[(1, 157653840), (2, 78826920), (3, 52551280), (4, 39413460), (5, 31530768), (6, 26275640), (8, 19706730), (10, 15765384), (12, 13137820), (15, 10510256), (16, 9853365), (20, 7882692), (24, 6568910), (30, 5255128), (40, 3941346), (48, 3284455), (60, 2627564), (80, 1970673), (120, 1313782), (240, 656891)]