81154620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450859}}^1$

素因数の和:450874

約数の個数: 36

約数和(自身を含む): 246169560

約数和(自身を除く): 165014940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450859, 901718, 1352577, 1803436, 2254295, 2705154, 4057731, 4508590, 5410308, 6762885, 8115462, 9017180, 13525770, 16230924, 20288655, 27051540, 40577310, 81154620]

約数ペア:

[(1, 81154620), (2, 40577310), (3, 27051540), (4, 20288655), (5, 16230924), (6, 13525770), (9, 9017180), (10, 8115462), (12, 6762885), (15, 5410308), (18, 4508590), (20, 4057731), (30, 2705154), (36, 2254295), (45, 1803436), (60, 1352577), (90, 901718), (180, 450859)]