501540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 1514688

約数和(自身を除く): 1013148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 643, 780, 1286, 1929, 2572, 3215, 3858, 6430, 7716, 8359, 9645, 12860, 16718, 19290, 25077, 33436, 38580, 41795, 50154, 83590, 100308, 125385, 167180, 250770, 501540]

約数ペア:

[(1, 501540), (2, 250770), (3, 167180), (4, 125385), (5, 100308), (6, 83590), (10, 50154), (12, 41795), (13, 38580), (15, 33436), (20, 25077), (26, 19290), (30, 16718), (39, 12860), (52, 9645), (60, 8359), (65, 7716), (78, 6430), (130, 3858), (156, 3215), (195, 2572), (260, 1929), (390, 1286), (643, 780)]