81351185670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1709}}^1\times {\mathrm{2213}}^1$

素因数の和:4174

約数の個数: 96

約数和(自身を含む): 212618390400

約数和(自身を除く): 131267204730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239, 478, 717, 1195, 1434, 1709, 2151, 2213, 2390, 3418, 3585, 4302, 4426, 5127, 6639, 7170, 8545, 10254, 10755, 11065, 13278, 15381, 17090, 19917, 21510, 22130, 25635, 30762, 33195, 39834, 51270, 66390, 76905, 99585, 153810, 199170, 408451, 528907, 816902, 1057814, 1225353, 1586721, 2042255, 2450706, 2644535, 3173442, 3676059, 3782017, 4084510, 4760163, 5289070, 6126765, 7352118, 7564034, 7933605, 9520326, 11346051, 12253530, 15867210, 18380295, 18910085, 22692102, 23800815, 34038153, 36760590, 37820170, 47601630, 56730255, 68076306, 113460510, 170190765, 340381530, 903902063, 1807804126, 2711706189, 4519510315, 5423412378, 8135118567, 9039020630, 13558530945, 16270237134, 27117061890, 40675592835, 81351185670]

約数ペア:

[(1, 81351185670), (2, 40675592835), (3, 27117061890), (5, 16270237134), (6, 13558530945), (9, 9039020630), (10, 8135118567), (15, 5423412378), (18, 4519510315), (30, 2711706189), (45, 1807804126), (90, 903902063), (239, 340381530), (478, 170190765), (717, 113460510), (1195, 68076306), (1434, 56730255), (1709, 47601630), (2151, 37820170), (2213, 36760590), (2390, 34038153), (3418, 23800815), (3585, 22692102), (4302, 18910085), (4426, 18380295), (5127, 15867210), (6639, 12253530), (7170, 11346051), (8545, 9520326), (10254, 7933605), (10755, 7564034), (11065, 7352118), (13278, 6126765), (15381, 5289070), (17090, 4760163), (19917, 4084510), (21510, 3782017), (22130, 3676059), (25635, 3173442), (30762, 2644535), (33195, 2450706), (39834, 2042255), (51270, 1586721), (66390, 1225353), (76905, 1057814), (99585, 816902), (153810, 528907), (199170, 408451)]