205651620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1142509}}^1$

素因数の和:1142524

約数の個数: 36

約数和(自身を含む): 623810460

約数和(自身を除く): 418158840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1142509, 2285018, 3427527, 4570036, 5712545, 6855054, 10282581, 11425090, 13710108, 17137635, 20565162, 22850180, 34275270, 41130324, 51412905, 68550540, 102825810, 205651620]

約数ペア:

[(1, 205651620), (2, 102825810), (3, 68550540), (4, 51412905), (5, 41130324), (6, 34275270), (9, 22850180), (10, 20565162), (12, 17137635), (15, 13710108), (18, 11425090), (20, 10282581), (30, 6855054), (36, 5712545), (45, 4570036), (60, 3427527), (90, 2285018), (180, 1142509)]