880005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 1768320

約数和(自身を除く): 888315

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 51, 85, 87, 105, 119, 145, 203, 255, 289, 357, 435, 493, 595, 609, 867, 1015, 1445, 1479, 1785, 2023, 2465, 3045, 3451, 4335, 6069, 7395, 8381, 10115, 10353, 17255, 25143, 30345, 41905, 51765, 58667, 125715, 176001, 293335, 880005]

約数ペア:

[(1, 880005), (3, 293335), (5, 176001), (7, 125715), (15, 58667), (17, 51765), (21, 41905), (29, 30345), (35, 25143), (51, 17255), (85, 10353), (87, 10115), (105, 8381), (119, 7395), (145, 6069), (203, 4335), (255, 3451), (289, 3045), (357, 2465), (435, 2023), (493, 1785), (595, 1479), (609, 1445), (867, 1015)]