28460280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{487}}^2$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 85556520

約数和(自身を除く): 57096240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 487, 974, 1461, 1948, 2435, 2922, 3896, 4870, 5844, 7305, 9740, 11688, 14610, 19480, 29220, 58440, 237169, 474338, 711507, 948676, 1185845, 1423014, 1897352, 2371690, 2846028, 3557535, 4743380, 5692056, 7115070, 9486760, 14230140, 28460280]

約数ペア:

[(1, 28460280), (2, 14230140), (3, 9486760), (4, 7115070), (5, 5692056), (6, 4743380), (8, 3557535), (10, 2846028), (12, 2371690), (15, 1897352), (20, 1423014), (24, 1185845), (30, 948676), (40, 711507), (60, 474338), (120, 237169), (487, 58440), (974, 29220), (1461, 19480), (1948, 14610), (2435, 11688), (2922, 9740), (3896, 7305), (4870, 5844)]