128137260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68891}}^1$

素因数の和:68934

約数の個数: 48

約数和(自身を含む): 370363392

約数和(自身を除く): 242226132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 68891, 137782, 206673, 275564, 344455, 413346, 688910, 826692, 1033365, 1377820, 2066730, 2135621, 4133460, 4271242, 6406863, 8542484, 10678105, 12813726, 21356210, 25627452, 32034315, 42712420, 64068630, 128137260]

約数ペア:

[(1, 128137260), (2, 64068630), (3, 42712420), (4, 32034315), (5, 25627452), (6, 21356210), (10, 12813726), (12, 10678105), (15, 8542484), (20, 6406863), (30, 4271242), (31, 4133460), (60, 2135621), (62, 2066730), (93, 1377820), (124, 1033365), (155, 826692), (186, 688910), (310, 413346), (372, 344455), (465, 275564), (620, 206673), (930, 137782), (1860, 68891)]