231515640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{643099}}^1$

素因数の和:643116

約数の個数: 48

約数和(自身を含む): 752427000

約数和(自身を除く): 520911360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 643099, 1286198, 1929297, 2572396, 3215495, 3858594, 5144792, 5787891, 6430990, 7717188, 9646485, 11575782, 12861980, 15434376, 19292970, 23151564, 25723960, 28939455, 38585940, 46303128, 57878910, 77171880, 115757820, 231515640]

約数ペア:

[(1, 231515640), (2, 115757820), (3, 77171880), (4, 57878910), (5, 46303128), (6, 38585940), (8, 28939455), (9, 25723960), (10, 23151564), (12, 19292970), (15, 15434376), (18, 12861980), (20, 11575782), (24, 9646485), (30, 7717188), (36, 6430990), (40, 5787891), (45, 5144792), (60, 3858594), (72, 3215495), (90, 2572396), (120, 1929297), (180, 1286198), (360, 643099)]