201716820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1120649}}^1$

素因数の和:1120664

約数の個数: 36

約数和(自身を含む): 611874900

約数和(自身を除く): 410158080

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1120649, 2241298, 3361947, 4482596, 5603245, 6723894, 10085841, 11206490, 13447788, 16809735, 20171682, 22412980, 33619470, 40343364, 50429205, 67238940, 100858410, 201716820]

約数ペア:

[(1, 201716820), (2, 100858410), (3, 67238940), (4, 50429205), (5, 40343364), (6, 33619470), (9, 22412980), (10, 20171682), (12, 16809735), (15, 13447788), (18, 11206490), (20, 10085841), (30, 6723894), (36, 5603245), (45, 4482596), (60, 3361947), (90, 2241298), (180, 1120649)]