90857820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{65839}}^1$

素因数の和:65874

約数の個数: 48

約数和(自身を含む): 265466880

約数和(自身を除く): 174609060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 65839, 131678, 197517, 263356, 329195, 395034, 658390, 790068, 987585, 1316780, 1514297, 1975170, 3028594, 3950340, 4542891, 6057188, 7571485, 9085782, 15142970, 18171564, 22714455, 30285940, 45428910, 90857820]

約数ペア:

[(1, 90857820), (2, 45428910), (3, 30285940), (4, 22714455), (5, 18171564), (6, 15142970), (10, 9085782), (12, 7571485), (15, 6057188), (20, 4542891), (23, 3950340), (30, 3028594), (46, 1975170), (60, 1514297), (69, 1316780), (92, 987585), (115, 790068), (138, 658390), (230, 395034), (276, 329195), (345, 263356), (460, 197517), (690, 131678), (1380, 65839)]