20161519125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{1907}}^1$

素因数の和:2180

約数の個数: 96

約数和(自身を含む): 37053604224

約数和(自身を除く): 16892085099

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 165, 233, 275, 363, 375, 605, 699, 825, 1165, 1375, 1815, 1907, 2563, 3025, 3495, 4125, 5721, 5825, 7689, 9075, 9535, 12815, 15125, 17475, 20977, 28193, 28605, 29125, 38445, 45375, 47675, 62931, 64075, 84579, 87375, 104885, 140965, 143025, 192225, 230747, 238375, 314655, 320375, 422895, 444331, 524425, 692241, 704825, 715125, 961125, 1153735, 1332993, 1573275, 2114475, 2221655, 2622125, 3461205, 3524125, 4887641, 5768675, 6664965, 7866375, 10572375, 11108275, 14662923, 17306025, 24438205, 28843375, 33324825, 53764051, 55541375, 73314615, 86530125, 122191025, 161292153, 166624125, 268820255, 366573075, 610955125, 806460765, 1344101275, 1832865375, 4032303825, 6720506375, 20161519125]

約数ペア:

[(1, 20161519125), (3, 6720506375), (5, 4032303825), (11, 1832865375), (15, 1344101275), (25, 806460765), (33, 610955125), (55, 366573075), (75, 268820255), (121, 166624125), (125, 161292153), (165, 122191025), (233, 86530125), (275, 73314615), (363, 55541375), (375, 53764051), (605, 33324825), (699, 28843375), (825, 24438205), (1165, 17306025), (1375, 14662923), (1815, 11108275), (1907, 10572375), (2563, 7866375), (3025, 6664965), (3495, 5768675), (4125, 4887641), (5721, 3524125), (5825, 3461205), (7689, 2622125), (9075, 2221655), (9535, 2114475), (12815, 1573275), (15125, 1332993), (17475, 1153735), (20977, 961125), (28193, 715125), (28605, 704825), (29125, 692241), (38445, 524425), (45375, 444331), (47675, 422895), (62931, 320375), (64075, 314655), (84579, 238375), (87375, 230747), (104885, 192225), (140965, 143025)]