2080680915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2940

約数の個数: 64

約数和(自身を含む): 3663055872

約数和(自身を除く): 1582374957

約数列:

[1, 3, 5, 15, 17, 41, 51, 71, 85, 123, 205, 213, 255, 355, 615, 697, 1065, 1207, 2091, 2803, 2911, 3485, 3621, 6035, 8409, 8733, 10455, 14015, 14555, 18105, 42045, 43665, 47651, 49487, 114923, 142953, 148461, 199013, 238255, 247435, 344769, 574615, 597039, 714765, 742305, 995065, 1723845, 1953691, 2985195, 3383221, 5861073, 8159533, 9768455, 10149663, 16916105, 24478599, 29305365, 40797665, 50748315, 122392995, 138712061, 416136183, 693560305, 2080680915]

約数ペア:

[(1, 2080680915), (3, 693560305), (5, 416136183), (15, 138712061), (17, 122392995), (41, 50748315), (51, 40797665), (71, 29305365), (85, 24478599), (123, 16916105), (205, 10149663), (213, 9768455), (255, 8159533), (355, 5861073), (615, 3383221), (697, 2985195), (1065, 1953691), (1207, 1723845), (2091, 995065), (2803, 742305), (2911, 714765), (3485, 597039), (3621, 574615), (6035, 344769), (8409, 247435), (8733, 238255), (10455, 199013), (14015, 148461), (14555, 142953), (18105, 114923), (42045, 49487), (43665, 47651)]