64405620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{357809}}^1$

素因数の和:357824

約数の個数: 36

約数和(自身を含む): 195364260

約数和(自身を除く): 130958640

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 357809, 715618, 1073427, 1431236, 1789045, 2146854, 3220281, 3578090, 4293708, 5367135, 6440562, 7156180, 10734270, 12881124, 16101405, 21468540, 32202810, 64405620]

約数ペア:

[(1, 64405620), (2, 32202810), (3, 21468540), (4, 16101405), (5, 12881124), (6, 10734270), (9, 7156180), (10, 6440562), (12, 5367135), (15, 4293708), (18, 3578090), (20, 3220281), (30, 2146854), (36, 1789045), (45, 1431236), (60, 1073427), (90, 715618), (180, 357809)]