128277180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{712651}}^1$

素因数の和:712666

約数の個数: 36

約数和(自身を含む): 389107992

約数和(自身を除く): 260830812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 712651, 1425302, 2137953, 2850604, 3563255, 4275906, 6413859, 7126510, 8551812, 10689765, 12827718, 14253020, 21379530, 25655436, 32069295, 42759060, 64138590, 128277180]

約数ペア:

[(1, 128277180), (2, 64138590), (3, 42759060), (4, 32069295), (5, 25655436), (6, 21379530), (9, 14253020), (10, 12827718), (12, 10689765), (15, 8551812), (18, 7126510), (20, 6413859), (30, 4275906), (36, 3563255), (45, 2850604), (60, 2137953), (90, 1425302), (180, 712651)]