30879640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70181}}^1$

素因数の和:70203

約数の個数: 32

約数和(自身を含む): 75796560

約数和(自身を除く): 44916920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70181, 140362, 280724, 350905, 561448, 701810, 771991, 1403620, 1543982, 2807240, 3087964, 3859955, 6175928, 7719910, 15439820, 30879640]

約数ペア:

[(1, 30879640), (2, 15439820), (4, 7719910), (5, 6175928), (8, 3859955), (10, 3087964), (11, 2807240), (20, 1543982), (22, 1403620), (40, 771991), (44, 701810), (55, 561448), (88, 350905), (110, 280724), (220, 140362), (440, 70181)]