12979620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{72109}}^1$

素因数の和:72124

約数の個数: 36

約数和(自身を含む): 39372060

約数和(自身を除く): 26392440

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 72109, 144218, 216327, 288436, 360545, 432654, 648981, 721090, 865308, 1081635, 1297962, 1442180, 2163270, 2595924, 3244905, 4326540, 6489810, 12979620]

約数ペア:

[(1, 12979620), (2, 6489810), (3, 4326540), (4, 3244905), (5, 2595924), (6, 2163270), (9, 1442180), (10, 1297962), (12, 1081635), (15, 865308), (18, 721090), (20, 648981), (30, 432654), (36, 360545), (45, 288436), (60, 216327), (90, 144218), (180, 72109)]