69720315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 136442880

約数和(自身を除く): 66722565

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 139, 255, 281, 357, 417, 595, 695, 843, 973, 1405, 1785, 1967, 2085, 2363, 2919, 4215, 4777, 4865, 5901, 7089, 9835, 11815, 14331, 14595, 16541, 23885, 29505, 33439, 35445, 39059, 49623, 71655, 82705, 100317, 117177, 167195, 195295, 248115, 273413, 501585, 585885, 664003, 820239, 1367065, 1992009, 3320015, 4101195, 4648021, 9960045, 13944063, 23240105, 69720315]

約数ペア:

[(1, 69720315), (3, 23240105), (5, 13944063), (7, 9960045), (15, 4648021), (17, 4101195), (21, 3320015), (35, 1992009), (51, 1367065), (85, 820239), (105, 664003), (119, 585885), (139, 501585), (255, 273413), (281, 248115), (357, 195295), (417, 167195), (595, 117177), (695, 100317), (843, 82705), (973, 71655), (1405, 49623), (1785, 39059), (1967, 35445), (2085, 33439), (2363, 29505), (2919, 23885), (4215, 16541), (4777, 14595), (4865, 14331), (5901, 11815), (7089, 9835)]