1257540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{20959}}^1$

素因数の和:20971

約数の個数: 24

約数和(自身を含む): 3521280

約数和(自身を除く): 2263740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 20959, 41918, 62877, 83836, 104795, 125754, 209590, 251508, 314385, 419180, 628770, 1257540]

約数ペア:

[(1, 1257540), (2, 628770), (3, 419180), (4, 314385), (5, 251508), (6, 209590), (10, 125754), (12, 104795), (15, 83836), (20, 62877), (30, 41918), (60, 20959)]