12543210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139369}}^1$

素因数の和:139382

約数の個数: 24

約数和(自身を含む): 32612580

約数和(自身を除く): 20069370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139369, 278738, 418107, 696845, 836214, 1254321, 1393690, 2090535, 2508642, 4181070, 6271605, 12543210]

約数ペア:

[(1, 12543210), (2, 6271605), (3, 4181070), (5, 2508642), (6, 2090535), (9, 1393690), (10, 1254321), (15, 836214), (18, 696845), (30, 418107), (45, 278738), (90, 139369)]