12923120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 35140608

約数和(自身を除く): 22217488

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, 491, 560, 658, 752, 940, 982, 1316, 1645, 1880, 1964, 2455, 2632, 3290, 3437, 3760, 3928, 4910, 5264, 6580, 6874, 7856, 9820, 13160, 13748, 17185, 19640, 23077, 26320, 27496, 34370, 39280, 46154, 54992, 68740, 92308, 115385, 137480, 161539, 184616, 230770, 274960, 323078, 369232, 461540, 646156, 807695, 923080, 1292312, 1615390, 1846160, 2584624, 3230780, 6461560, 12923120]

約数ペア:

[(1, 12923120), (2, 6461560), (4, 3230780), (5, 2584624), (7, 1846160), (8, 1615390), (10, 1292312), (14, 923080), (16, 807695), (20, 646156), (28, 461540), (35, 369232), (40, 323078), (47, 274960), (56, 230770), (70, 184616), (80, 161539), (94, 137480), (112, 115385), (140, 92308), (188, 68740), (235, 54992), (280, 46154), (329, 39280), (376, 34370), (470, 27496), (491, 26320), (560, 23077), (658, 19640), (752, 17185), (940, 13748), (982, 13160), (1316, 9820), (1645, 7856), (1880, 6874), (1964, 6580), (2455, 5264), (2632, 4910), (3290, 3928), (3437, 3760)]