80697780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448321}}^1$

素因数の和:448336

約数の個数: 36

約数和(自身を含む): 244783812

約数和(自身を除く): 164086032

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448321, 896642, 1344963, 1793284, 2241605, 2689926, 4034889, 4483210, 5379852, 6724815, 8069778, 8966420, 13449630, 16139556, 20174445, 26899260, 40348890, 80697780]

約数ペア:

[(1, 80697780), (2, 40348890), (3, 26899260), (4, 20174445), (5, 16139556), (6, 13449630), (9, 8966420), (10, 8069778), (12, 6724815), (15, 5379852), (18, 4483210), (20, 4034889), (30, 2689926), (36, 2241605), (45, 1793284), (60, 1344963), (90, 896642), (180, 448321)]