81290160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^2$

素因数の和:280

約数の個数: 180

約数和(自身を含む): 314475408

約数和(自身を除く): 233185248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 127, 140, 144, 168, 180, 210, 240, 252, 254, 280, 315, 336, 360, 381, 420, 504, 508, 560, 630, 635, 720, 762, 840, 889, 1008, 1016, 1143, 1260, 1270, 1524, 1680, 1778, 1905, 2032, 2286, 2520, 2540, 2667, 3048, 3556, 3810, 4445, 4572, 5040, 5080, 5334, 5715, 6096, 7112, 7620, 8001, 8890, 9144, 10160, 10668, 11430, 13335, 14224, 15240, 16002, 16129, 17780, 18288, 21336, 22860, 26670, 30480, 32004, 32258, 35560, 40005, 42672, 45720, 48387, 53340, 64008, 64516, 71120, 80010, 80645, 91440, 96774, 106680, 112903, 128016, 129032, 145161, 160020, 161290, 193548, 213360, 225806, 241935, 258064, 290322, 320040, 322580, 338709, 387096, 451612, 483870, 564515, 580644, 640080, 645160, 677418, 725805, 774192, 903224, 967740, 1016127, 1129030, 1161288, 1290320, 1354836, 1451610, 1693545, 1806448, 1935480, 2032254, 2258060, 2322576, 2709672, 2903220, 3387090, 3870960, 4064508, 4516120, 5080635, 5419344, 5806440, 6774180, 8129016, 9032240, 10161270, 11612880, 13548360, 16258032, 20322540, 27096720, 40645080, 81290160]

約数ペア:

[(1, 81290160), (2, 40645080), (3, 27096720), (4, 20322540), (5, 16258032), (6, 13548360), (7, 11612880), (8, 10161270), (9, 9032240), (10, 8129016), (12, 6774180), (14, 5806440), (15, 5419344), (16, 5080635), (18, 4516120), (20, 4064508), (21, 3870960), (24, 3387090), (28, 2903220), (30, 2709672), (35, 2322576), (36, 2258060), (40, 2032254), (42, 1935480), (45, 1806448), (48, 1693545), (56, 1451610), (60, 1354836), (63, 1290320), (70, 1161288), (72, 1129030), (80, 1016127), (84, 967740), (90, 903224), (105, 774192), (112, 725805), (120, 677418), (126, 645160), (127, 640080), (140, 580644), (144, 564515), (168, 483870), (180, 451612), (210, 387096), (240, 338709), (252, 322580), (254, 320040), (280, 290322), (315, 258064), (336, 241935), (360, 225806), (381, 213360), (420, 193548), (504, 161290), (508, 160020), (560, 145161), (630, 129032), (635, 128016), (720, 112903), (762, 106680), (840, 96774), (889, 91440), (1008, 80645), (1016, 80010), (1143, 71120), (1260, 64516), (1270, 64008), (1524, 53340), (1680, 48387), (1778, 45720), (1905, 42672), (2032, 40005), (2286, 35560), (2520, 32258), (2540, 32004), (2667, 30480), (3048, 26670), (3556, 22860), (3810, 21336), (4445, 18288), (4572, 17780), (5040, 16129), (5080, 16002), (5334, 15240), (5715, 14224), (6096, 13335), (7112, 11430), (7620, 10668), (8001, 10160), (8890, 9144)]