31052560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 91297728

約数和(自身を除く): 60245168

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 140, 142, 154, 176, 220, 280, 284, 308, 355, 385, 440, 497, 560, 568, 616, 710, 770, 781, 880, 994, 1136, 1232, 1420, 1540, 1562, 1988, 2485, 2840, 3080, 3124, 3905, 3976, 4970, 5041, 5467, 5680, 6160, 6248, 7810, 7952, 9940, 10082, 10934, 12496, 15620, 19880, 20164, 21868, 25205, 27335, 31240, 35287, 39760, 40328, 43736, 50410, 54670, 55451, 62480, 70574, 80656, 87472, 100820, 109340, 110902, 141148, 176435, 201640, 218680, 221804, 277255, 282296, 352870, 388157, 403280, 437360, 443608, 554510, 564592, 705740, 776314, 887216, 1109020, 1411480, 1552628, 1940785, 2218040, 2822960, 3105256, 3881570, 4436080, 6210512, 7763140, 15526280, 31052560]

約数ペア:

[(1, 31052560), (2, 15526280), (4, 7763140), (5, 6210512), (7, 4436080), (8, 3881570), (10, 3105256), (11, 2822960), (14, 2218040), (16, 1940785), (20, 1552628), (22, 1411480), (28, 1109020), (35, 887216), (40, 776314), (44, 705740), (55, 564592), (56, 554510), (70, 443608), (71, 437360), (77, 403280), (80, 388157), (88, 352870), (110, 282296), (112, 277255), (140, 221804), (142, 218680), (154, 201640), (176, 176435), (220, 141148), (280, 110902), (284, 109340), (308, 100820), (355, 87472), (385, 80656), (440, 70574), (497, 62480), (560, 55451), (568, 54670), (616, 50410), (710, 43736), (770, 40328), (781, 39760), (880, 35287), (994, 31240), (1136, 27335), (1232, 25205), (1420, 21868), (1540, 20164), (1562, 19880), (1988, 15620), (2485, 12496), (2840, 10934), (3080, 10082), (3124, 9940), (3905, 7952), (3976, 7810), (4970, 6248), (5041, 6160), (5467, 5680)]