2080990845

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1087}}^1$

素因数の和:1296

約数の個数: 80

約数和(自身を含む): 3886248960

約数和(自身を除く): 1805258115

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 163, 261, 405, 435, 489, 783, 815, 1087, 1305, 1467, 2349, 2445, 3261, 3915, 4401, 4727, 5435, 7335, 9783, 11745, 13203, 14181, 16305, 22005, 23635, 29349, 31523, 42543, 48915, 66015, 70905, 88047, 94569, 127629, 146745, 157615, 177181, 212715, 283707, 382887, 440235, 472845, 531543, 638145, 851121, 885905, 1418535, 1594629, 1914435, 2553363, 2657715, 4255605, 4783887, 5138249, 7973145, 12766815, 14351661, 15414747, 23919435, 25691245, 46244241, 71758305, 77073735, 138732723, 231221205, 416198169, 693663615, 2080990845]

約数ペア:

[(1, 2080990845), (3, 693663615), (5, 416198169), (9, 231221205), (15, 138732723), (27, 77073735), (29, 71758305), (45, 46244241), (81, 25691245), (87, 23919435), (135, 15414747), (145, 14351661), (163, 12766815), (261, 7973145), (405, 5138249), (435, 4783887), (489, 4255605), (783, 2657715), (815, 2553363), (1087, 1914435), (1305, 1594629), (1467, 1418535), (2349, 885905), (2445, 851121), (3261, 638145), (3915, 531543), (4401, 472845), (4727, 440235), (5435, 382887), (7335, 283707), (9783, 212715), (11745, 177181), (13203, 157615), (14181, 146745), (16305, 127629), (22005, 94569), (23635, 88047), (29349, 70905), (31523, 66015), (42543, 48915)]