31393860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5879}}^1$

素因数の和:5980

約数の個数: 48

約数和(自身を含む): 88905600

約数和(自身を除く): 57511740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 5879, 11758, 17637, 23516, 29395, 35274, 58790, 70548, 88185, 117580, 176370, 352740, 523231, 1046462, 1569693, 2092924, 2616155, 3139386, 5232310, 6278772, 7848465, 10464620, 15696930, 31393860]

約数ペア:

[(1, 31393860), (2, 15696930), (3, 10464620), (4, 7848465), (5, 6278772), (6, 5232310), (10, 3139386), (12, 2616155), (15, 2092924), (20, 1569693), (30, 1046462), (60, 523231), (89, 352740), (178, 176370), (267, 117580), (356, 88185), (445, 70548), (534, 58790), (890, 35274), (1068, 29395), (1335, 23516), (1780, 17637), (2670, 11758), (5340, 5879)]