31491060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3343}}^1$

素因数の和:3512

約数の個数: 48

約数和(自身を含む): 88763136

約数和(自身を除く): 57272076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 3343, 4710, 6686, 9420, 10029, 13372, 16715, 20058, 33430, 40116, 50145, 66860, 100290, 200580, 524851, 1049702, 1574553, 2099404, 2624255, 3149106, 5248510, 6298212, 7872765, 10497020, 15745530, 31491060]

約数ペア:

[(1, 31491060), (2, 15745530), (3, 10497020), (4, 7872765), (5, 6298212), (6, 5248510), (10, 3149106), (12, 2624255), (15, 2099404), (20, 1574553), (30, 1049702), (60, 524851), (157, 200580), (314, 100290), (471, 66860), (628, 50145), (785, 40116), (942, 33430), (1570, 20058), (1884, 16715), (2355, 13372), (3140, 10029), (3343, 9420), (4710, 6686)]