12787020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71039}}^1$

素因数の和:71054

約数の個数: 36

約数和(自身を含む): 38787840

約数和(自身を除く): 26000820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71039, 142078, 213117, 284156, 355195, 426234, 639351, 710390, 852468, 1065585, 1278702, 1420780, 2131170, 2557404, 3196755, 4262340, 6393510, 12787020]

約数ペア:

[(1, 12787020), (2, 6393510), (3, 4262340), (4, 3196755), (5, 2557404), (6, 2131170), (9, 1420780), (10, 1278702), (12, 1065585), (15, 852468), (18, 710390), (20, 639351), (30, 426234), (36, 355195), (45, 284156), (60, 213117), (90, 142078), (180, 71039)]