81144560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3083}}^1$

素因数の和:3150

約数の個数: 80

約数和(自身を含む): 220271616

約数和(自身を除く): 139127056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3083, 3290, 3760, 5264, 6166, 6580, 12332, 13160, 15415, 21581, 24664, 26320, 30830, 43162, 49328, 61660, 86324, 107905, 123320, 144901, 172648, 215810, 246640, 289802, 345296, 431620, 579604, 724505, 863240, 1014307, 1159208, 1449010, 1726480, 2028614, 2318416, 2898020, 4057228, 5071535, 5796040, 8114456, 10143070, 11592080, 16228912, 20286140, 40572280, 81144560]

約数ペア:

[(1, 81144560), (2, 40572280), (4, 20286140), (5, 16228912), (7, 11592080), (8, 10143070), (10, 8114456), (14, 5796040), (16, 5071535), (20, 4057228), (28, 2898020), (35, 2318416), (40, 2028614), (47, 1726480), (56, 1449010), (70, 1159208), (80, 1014307), (94, 863240), (112, 724505), (140, 579604), (188, 431620), (235, 345296), (280, 289802), (329, 246640), (376, 215810), (470, 172648), (560, 144901), (658, 123320), (752, 107905), (940, 86324), (1316, 61660), (1645, 49328), (1880, 43162), (2632, 30830), (3083, 26320), (3290, 24664), (3760, 21581), (5264, 15415), (6166, 13160), (6580, 12332)]