128406852

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{10399}}^1$

素因数の和:10430

約数の個数: 72

約数和(自身を含む): 378560000

約数和(自身を除く): 250153148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 3087, 4116, 6174, 10399, 12348, 20798, 31197, 41596, 62394, 72793, 93591, 124788, 145586, 187182, 218379, 291172, 374364, 436758, 509551, 655137, 873516, 1019102, 1310274, 1528653, 2038204, 2620548, 3057306, 3566857, 4585959, 6114612, 7133714, 9171918, 10700571, 14267428, 18343836, 21401142, 32101713, 42802284, 64203426, 128406852]

約数ペア:

[(1, 128406852), (2, 64203426), (3, 42802284), (4, 32101713), (6, 21401142), (7, 18343836), (9, 14267428), (12, 10700571), (14, 9171918), (18, 7133714), (21, 6114612), (28, 4585959), (36, 3566857), (42, 3057306), (49, 2620548), (63, 2038204), (84, 1528653), (98, 1310274), (126, 1019102), (147, 873516), (196, 655137), (252, 509551), (294, 436758), (343, 374364), (441, 291172), (588, 218379), (686, 187182), (882, 145586), (1029, 124788), (1372, 93591), (1764, 72793), (2058, 62394), (3087, 41596), (4116, 31197), (6174, 20798), (10399, 12348)]