257704620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4295077}}^1$

素因数の和:4295089

約数の個数: 24

約数和(自身を含む): 721573104

約数和(自身を除く): 463868484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4295077, 8590154, 12885231, 17180308, 21475385, 25770462, 42950770, 51540924, 64426155, 85901540, 128852310, 257704620]

約数ペア:

[(1, 257704620), (2, 128852310), (3, 85901540), (4, 64426155), (5, 51540924), (6, 42950770), (10, 25770462), (12, 21475385), (15, 17180308), (20, 12885231), (30, 8590154), (60, 4295077)]