80794620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{448859}}^1$

素因数の和:448874

約数の個数: 36

約数和(自身を含む): 245077560

約数和(自身を除く): 164282940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 448859, 897718, 1346577, 1795436, 2244295, 2693154, 4039731, 4488590, 5386308, 6732885, 8079462, 8977180, 13465770, 16158924, 20198655, 26931540, 40397310, 80794620]

約数ペア:

[(1, 80794620), (2, 40397310), (3, 26931540), (4, 20198655), (5, 16158924), (6, 13465770), (9, 8977180), (10, 8079462), (12, 6732885), (15, 5386308), (18, 4488590), (20, 4039731), (30, 2693154), (36, 2244295), (45, 1795436), (60, 1346577), (90, 897718), (180, 448859)]