78730960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12781}}^1$

素因数の和:12812

約数の個数: 80

約数和(自身を含む): 228235392

約数和(自身を除く): 149504432

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 12781, 25562, 51124, 63905, 89467, 102248, 127810, 140591, 178934, 204496, 255620, 281182, 357868, 447335, 511240, 562364, 702955, 715736, 894670, 984137, 1022480, 1124728, 1405910, 1431472, 1789340, 1968274, 2249456, 2811820, 3578680, 3936548, 4920685, 5623640, 7157360, 7873096, 9841370, 11247280, 15746192, 19682740, 39365480, 78730960]

約数ペア:

[(1, 78730960), (2, 39365480), (4, 19682740), (5, 15746192), (7, 11247280), (8, 9841370), (10, 7873096), (11, 7157360), (14, 5623640), (16, 4920685), (20, 3936548), (22, 3578680), (28, 2811820), (35, 2249456), (40, 1968274), (44, 1789340), (55, 1431472), (56, 1405910), (70, 1124728), (77, 1022480), (80, 984137), (88, 894670), (110, 715736), (112, 702955), (140, 562364), (154, 511240), (176, 447335), (220, 357868), (280, 281182), (308, 255620), (385, 204496), (440, 178934), (560, 140591), (616, 127810), (770, 102248), (880, 89467), (1232, 63905), (1540, 51124), (3080, 25562), (6160, 12781)]