81029220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1350487}}^1$

素因数の和:1350499

約数の個数: 24

約数和(自身を含む): 226881984

約数和(自身を除く): 145852764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1350487, 2700974, 4051461, 5401948, 6752435, 8102922, 13504870, 16205844, 20257305, 27009740, 40514610, 81029220]

約数ペア:

[(1, 81029220), (2, 40514610), (3, 27009740), (4, 20257305), (5, 16205844), (6, 13504870), (10, 8102922), (12, 6752435), (15, 5401948), (20, 4051461), (30, 2700974), (60, 1350487)]