72154620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{400859}}^1$

素因数の和:400874

約数の個数: 36

約数和(自身を含む): 218869560

約数和(自身を除く): 146714940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 400859, 801718, 1202577, 1603436, 2004295, 2405154, 3607731, 4008590, 4810308, 6012885, 7215462, 8017180, 12025770, 14430924, 18038655, 24051540, 36077310, 72154620]

約数ペア:

[(1, 72154620), (2, 36077310), (3, 24051540), (4, 18038655), (5, 14430924), (6, 12025770), (9, 8017180), (10, 7215462), (12, 6012885), (15, 4810308), (18, 4008590), (20, 3607731), (30, 2405154), (36, 2004295), (45, 1603436), (60, 1202577), (90, 801718), (180, 400859)]