87539120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 217271808

約数和(自身を除く): 129732688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 191, 272, 337, 340, 382, 674, 680, 764, 955, 1348, 1360, 1528, 1685, 1910, 2696, 3056, 3247, 3370, 3820, 5392, 5729, 6494, 6740, 7640, 11458, 12988, 13480, 15280, 16235, 22916, 25976, 26960, 28645, 32470, 45832, 51952, 57290, 64367, 64940, 91664, 114580, 128734, 129880, 229160, 257468, 259760, 321835, 458320, 514936, 643670, 1029872, 1094239, 1287340, 2188478, 2574680, 4376956, 5149360, 5471195, 8753912, 10942390, 17507824, 21884780, 43769560, 87539120]

約数ペア:

[(1, 87539120), (2, 43769560), (4, 21884780), (5, 17507824), (8, 10942390), (10, 8753912), (16, 5471195), (17, 5149360), (20, 4376956), (34, 2574680), (40, 2188478), (68, 1287340), (80, 1094239), (85, 1029872), (136, 643670), (170, 514936), (191, 458320), (272, 321835), (337, 259760), (340, 257468), (382, 229160), (674, 129880), (680, 128734), (764, 114580), (955, 91664), (1348, 64940), (1360, 64367), (1528, 57290), (1685, 51952), (1910, 45832), (2696, 32470), (3056, 28645), (3247, 26960), (3370, 25976), (3820, 22916), (5392, 16235), (5729, 15280), (6494, 13480), (6740, 12988), (7640, 11458)]