312431560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{23741}}^1$

素因数の和:23806

約数の個数: 64

約数和(自身を含む): 820523520

約数和(自身を除く): 508091960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 23741, 47482, 94964, 118705, 166187, 189928, 237410, 332374, 474820, 664748, 830935, 949640, 1115827, 1329496, 1661870, 2231654, 3323740, 4463308, 5579135, 6647480, 7810789, 8926616, 11158270, 15621578, 22316540, 31243156, 39053945, 44633080, 62486312, 78107890, 156215780, 312431560]

約数ペア:

[(1, 312431560), (2, 156215780), (4, 78107890), (5, 62486312), (7, 44633080), (8, 39053945), (10, 31243156), (14, 22316540), (20, 15621578), (28, 11158270), (35, 8926616), (40, 7810789), (47, 6647480), (56, 5579135), (70, 4463308), (94, 3323740), (140, 2231654), (188, 1661870), (235, 1329496), (280, 1115827), (329, 949640), (376, 830935), (470, 664748), (658, 474820), (940, 332374), (1316, 237410), (1645, 189928), (1880, 166187), (2632, 118705), (3290, 94964), (6580, 47482), (13160, 23741)]