12988860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{216481}}^1$

素因数の和:216493

約数の個数: 24

約数和(自身を含む): 36368976

約数和(自身を除く): 23380116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 216481, 432962, 649443, 865924, 1082405, 1298886, 2164810, 2597772, 3247215, 4329620, 6494430, 12988860]

約数ペア:

[(1, 12988860), (2, 6494430), (3, 4329620), (4, 3247215), (5, 2597772), (6, 2164810), (10, 1298886), (12, 1082405), (15, 865924), (20, 649443), (30, 432962), (60, 216481)]