15311480

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1423}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 34603200

約数和(自身を除く): 19291720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 1423, 2152, 2690, 2846, 5380, 5692, 7115, 10760, 11384, 14230, 28460, 56920, 382787, 765574, 1531148, 1913935, 3062296, 3827870, 7655740, 15311480]

約数ペア:

[(1, 15311480), (2, 7655740), (4, 3827870), (5, 3062296), (8, 1913935), (10, 1531148), (20, 765574), (40, 382787), (269, 56920), (538, 28460), (1076, 14230), (1345, 11384), (1423, 10760), (2152, 7115), (2690, 5692), (2846, 5380)]