31044540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1229}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 87202080

約数和(自身を除く): 56157540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1229, 1263, 1684, 2105, 2458, 2526, 3687, 4210, 4916, 5052, 6145, 6315, 7374, 8420, 12290, 12630, 14748, 18435, 24580, 25260, 36870, 73740, 517409, 1034818, 1552227, 2069636, 2587045, 3104454, 5174090, 6208908, 7761135, 10348180, 15522270, 31044540]

約数ペア:

[(1, 31044540), (2, 15522270), (3, 10348180), (4, 7761135), (5, 6208908), (6, 5174090), (10, 3104454), (12, 2587045), (15, 2069636), (20, 1552227), (30, 1034818), (60, 517409), (421, 73740), (842, 36870), (1229, 25260), (1263, 24580), (1684, 18435), (2105, 14748), (2458, 12630), (2526, 12290), (3687, 8420), (4210, 7374), (4916, 6315), (5052, 6145)]