38661540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{644359}}^1$

素因数の和:644371

約数の個数: 24

約数和(自身を含む): 108252480

約数和(自身を除く): 69590940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 644359, 1288718, 1933077, 2577436, 3221795, 3866154, 6443590, 7732308, 9665385, 12887180, 19330770, 38661540]

約数ペア:

[(1, 38661540), (2, 19330770), (3, 12887180), (4, 9665385), (5, 7732308), (6, 6443590), (10, 3866154), (12, 3221795), (15, 2577436), (20, 1933077), (30, 1288718), (60, 644359)]