40645080

素因数分解:

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

素因数の和:278

約数の個数: 144

約数和(自身を含む): 152165520

約数和(自身を除く): 111520440

約数列:

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

約数ペア:

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