65581380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{121447}}^1$

素因数の和:121465

約数の個数: 48

約数和(自身を含む): 204032640

約数和(自身を除く): 138451260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 121447, 242894, 364341, 485788, 607235, 728682, 1093023, 1214470, 1457364, 1821705, 2186046, 2428940, 3279069, 3643410, 4372092, 5465115, 6558138, 7286820, 10930230, 13116276, 16395345, 21860460, 32790690, 65581380]

約数ペア:

[(1, 65581380), (2, 32790690), (3, 21860460), (4, 16395345), (5, 13116276), (6, 10930230), (9, 7286820), (10, 6558138), (12, 5465115), (15, 4372092), (18, 3643410), (20, 3279069), (27, 2428940), (30, 2186046), (36, 1821705), (45, 1457364), (54, 1214470), (60, 1093023), (90, 728682), (108, 607235), (135, 485788), (180, 364341), (270, 242894), (540, 121447)]