31308810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80279}}^1$

素因数の和:80302

約数の個数: 32

約数和(自身を含む): 80922240

約数和(自身を除く): 49613430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80279, 160558, 240837, 401395, 481674, 802790, 1043627, 1204185, 2087254, 2408370, 3130881, 5218135, 6261762, 10436270, 15654405, 31308810]

約数ペア:

[(1, 31308810), (2, 15654405), (3, 10436270), (5, 6261762), (6, 5218135), (10, 3130881), (13, 2408370), (15, 2087254), (26, 1204185), (30, 1043627), (39, 802790), (65, 481674), (78, 401395), (130, 240837), (195, 160558), (390, 80279)]