81392880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{339137}}^1$

素因数の和:339153

約数の個数: 40

約数和(自身を含む): 252318672

約数和(自身を除く): 170925792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 339137, 678274, 1017411, 1356548, 1695685, 2034822, 2713096, 3391370, 4069644, 5087055, 5426192, 6782740, 8139288, 10174110, 13565480, 16278576, 20348220, 27130960, 40696440, 81392880]

約数ペア:

[(1, 81392880), (2, 40696440), (3, 27130960), (4, 20348220), (5, 16278576), (6, 13565480), (8, 10174110), (10, 8139288), (12, 6782740), (15, 5426192), (16, 5087055), (20, 4069644), (24, 3391370), (30, 2713096), (40, 2034822), (48, 1695685), (60, 1356548), (80, 1017411), (120, 678274), (240, 339137)]