123679620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{687109}}^1$

素因数の和:687124

約数の個数: 36

約数和(自身を含む): 375162060

約数和(自身を除く): 251482440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 687109, 1374218, 2061327, 2748436, 3435545, 4122654, 6183981, 6871090, 8245308, 10306635, 12367962, 13742180, 20613270, 24735924, 30919905, 41226540, 61839810, 123679620]

約数ペア:

[(1, 123679620), (2, 61839810), (3, 41226540), (4, 30919905), (5, 24735924), (6, 20613270), (9, 13742180), (10, 12367962), (12, 10306635), (15, 8245308), (18, 6871090), (20, 6183981), (30, 4122654), (36, 3435545), (45, 2748436), (60, 2061327), (90, 1374218), (180, 687109)]