81413290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1567

約数の個数: 64

約数和(自身を含む): 180714240

約数和(自身を除く): 99300950

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 41, 70, 82, 95, 133, 190, 205, 266, 287, 410, 574, 665, 779, 1330, 1435, 1493, 1558, 2870, 2986, 3895, 5453, 7465, 7790, 10451, 10906, 14930, 20902, 27265, 28367, 52255, 54530, 56734, 61213, 104510, 122426, 141835, 198569, 283670, 306065, 397138, 428491, 612130, 856982, 992845, 1163047, 1985690, 2142455, 2326094, 4284910, 5815235, 8141329, 11630470, 16282658, 40706645, 81413290]

約数ペア:

[(1, 81413290), (2, 40706645), (5, 16282658), (7, 11630470), (10, 8141329), (14, 5815235), (19, 4284910), (35, 2326094), (38, 2142455), (41, 1985690), (70, 1163047), (82, 992845), (95, 856982), (133, 612130), (190, 428491), (205, 397138), (266, 306065), (287, 283670), (410, 198569), (574, 141835), (665, 122426), (779, 104510), (1330, 61213), (1435, 56734), (1493, 54530), (1558, 52255), (2870, 28367), (2986, 27265), (3895, 20902), (5453, 14930), (7465, 10906), (7790, 10451)]