81329580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{451831}}^1$

素因数の和:451846

約数の個数: 36

約数和(自身を含む): 246700272

約数和(自身を除く): 165370692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 451831, 903662, 1355493, 1807324, 2259155, 2710986, 4066479, 4518310, 5421972, 6777465, 8132958, 9036620, 13554930, 16265916, 20332395, 27109860, 40664790, 81329580]

約数ペア:

[(1, 81329580), (2, 40664790), (3, 27109860), (4, 20332395), (5, 16265916), (6, 13554930), (9, 9036620), (10, 8132958), (12, 6777465), (15, 5421972), (18, 4518310), (20, 4066479), (30, 2710986), (36, 2259155), (45, 1807324), (60, 1355493), (90, 903662), (180, 451831)]