1285980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21433}}^1$

素因数の和:21445

約数の個数: 24

約数和(自身を含む): 3600912

約数和(自身を除く): 2314932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21433, 42866, 64299, 85732, 107165, 128598, 214330, 257196, 321495, 428660, 642990, 1285980]

約数ペア:

[(1, 1285980), (2, 642990), (3, 428660), (4, 321495), (5, 257196), (6, 214330), (10, 128598), (12, 107165), (15, 85732), (20, 64299), (30, 42866), (60, 21433)]