66192280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21491}}^1$

素因数の和:21520

約数の個数: 64

約数和(自身を含む): 185690880

約数和(自身を除く): 119498600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 21491, 42982, 85964, 107455, 150437, 171928, 214910, 236401, 300874, 429820, 472802, 601748, 752185, 859640, 945604, 1182005, 1203496, 1504370, 1654807, 1891208, 2364010, 3008740, 3309614, 4728020, 6017480, 6619228, 8274035, 9456040, 13238456, 16548070, 33096140, 66192280]

約数ペア:

[(1, 66192280), (2, 33096140), (4, 16548070), (5, 13238456), (7, 9456040), (8, 8274035), (10, 6619228), (11, 6017480), (14, 4728020), (20, 3309614), (22, 3008740), (28, 2364010), (35, 1891208), (40, 1654807), (44, 1504370), (55, 1203496), (56, 1182005), (70, 945604), (77, 859640), (88, 752185), (110, 601748), (140, 472802), (154, 429820), (220, 300874), (280, 236401), (308, 214910), (385, 171928), (440, 150437), (616, 107455), (770, 85964), (1540, 42982), (3080, 21491)]