38580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 108192

約数和(自身を除く): 69612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2572, 3215, 3858, 6430, 7716, 9645, 12860, 19290, 38580]

約数ペア:

[(1, 38580), (2, 19290), (3, 12860), (4, 9645), (5, 7716), (6, 6430), (10, 3858), (12, 3215), (15, 2572), (20, 1929), (30, 1286), (60, 643)]