12320820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{68449}}^1$

素因数の和:68464

約数の個数: 36

約数和(自身を含む): 37373700

約数和(自身を除く): 25052880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 68449, 136898, 205347, 273796, 342245, 410694, 616041, 684490, 821388, 1026735, 1232082, 1368980, 2053470, 2464164, 3080205, 4106940, 6160410, 12320820]

約数ペア:

[(1, 12320820), (2, 6160410), (3, 4106940), (4, 3080205), (5, 2464164), (6, 2053470), (9, 1368980), (10, 1232082), (12, 1026735), (15, 821388), (18, 684490), (20, 616041), (30, 410694), (36, 342245), (45, 273796), (60, 205347), (90, 136898), (180, 68449)]