38927220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1009}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 109273920

約数和(自身を除く): 70346700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1009, 1286, 1929, 2018, 2572, 3027, 3215, 3858, 4036, 5045, 6054, 6430, 7716, 9645, 10090, 12108, 12860, 15135, 19290, 20180, 30270, 38580, 60540, 648787, 1297574, 1946361, 2595148, 3243935, 3892722, 6487870, 7785444, 9731805, 12975740, 19463610, 38927220]

約数ペア:

[(1, 38927220), (2, 19463610), (3, 12975740), (4, 9731805), (5, 7785444), (6, 6487870), (10, 3892722), (12, 3243935), (15, 2595148), (20, 1946361), (30, 1297574), (60, 648787), (643, 60540), (1009, 38580), (1286, 30270), (1929, 20180), (2018, 19290), (2572, 15135), (3027, 12860), (3215, 12108), (3858, 10090), (4036, 9645), (5045, 7716), (6054, 6430)]