1668744560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2979901}}^1$

素因数の和:2979921

約数の個数: 40

約数和(自身を含む): 4434094176

約数和(自身を除く): 2765349616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2979901, 5959802, 11919604, 14899505, 20859307, 23839208, 29799010, 41718614, 47678416, 59598020, 83437228, 104296535, 119196040, 166874456, 208593070, 238392080, 333748912, 417186140, 834372280, 1668744560]

約数ペア:

[(1, 1668744560), (2, 834372280), (4, 417186140), (5, 333748912), (7, 238392080), (8, 208593070), (10, 166874456), (14, 119196040), (16, 104296535), (20, 83437228), (28, 59598020), (35, 47678416), (40, 41718614), (56, 29799010), (70, 23839208), (80, 20859307), (112, 14899505), (140, 11919604), (280, 5959802), (560, 2979901)]