81689930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3613}}^1$

素因数の和:3663

約数の個数: 64

約数和(自身を含む): 187349760

約数和(自身を除く): 105659830

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 1190, 1330, 1615, 2261, 3230, 3613, 4522, 7226, 11305, 18065, 22610, 25291, 36130, 50582, 61421, 68647, 122842, 126455, 137294, 252910, 307105, 343235, 429947, 480529, 614210, 686470, 859894, 961058, 1166999, 2149735, 2333998, 2402645, 4299470, 4805290, 5834995, 8168993, 11669990, 16337986, 40844965, 81689930]

約数ペア:

[(1, 81689930), (2, 40844965), (5, 16337986), (7, 11669990), (10, 8168993), (14, 5834995), (17, 4805290), (19, 4299470), (34, 2402645), (35, 2333998), (38, 2149735), (70, 1166999), (85, 961058), (95, 859894), (119, 686470), (133, 614210), (170, 480529), (190, 429947), (238, 343235), (266, 307105), (323, 252910), (595, 137294), (646, 126455), (665, 122842), (1190, 68647), (1330, 61421), (1615, 50582), (2261, 36130), (3230, 25291), (3613, 22610), (4522, 18065), (7226, 11305)]