131689440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:969

約数の個数: 144

約数和(自身を含む): 454053600

約数和(自身を除く): 322364160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 180, 218, 240, 288, 327, 360, 436, 480, 545, 654, 720, 839, 872, 981, 1090, 1308, 1440, 1635, 1678, 1744, 1962, 2180, 2517, 2616, 3270, 3356, 3488, 3924, 4195, 4360, 4905, 5034, 5232, 6540, 6712, 7551, 7848, 8390, 8720, 9810, 10068, 10464, 12585, 13080, 13424, 15102, 15696, 16780, 17440, 19620, 20136, 25170, 26160, 26848, 30204, 31392, 33560, 37755, 39240, 40272, 50340, 52320, 60408, 67120, 75510, 78480, 80544, 91451, 100680, 120816, 134240, 151020, 156960, 182902, 201360, 241632, 274353, 302040, 365804, 402720, 457255, 548706, 604080, 731608, 823059, 914510, 1097412, 1208160, 1371765, 1463216, 1646118, 1829020, 2194824, 2743530, 2926432, 3292236, 3658040, 4115295, 4389648, 5487060, 6584472, 7316080, 8230590, 8779296, 10974120, 13168944, 14632160, 16461180, 21948240, 26337888, 32922360, 43896480, 65844720, 131689440]

約数ペア:

[(1, 131689440), (2, 65844720), (3, 43896480), (4, 32922360), (5, 26337888), (6, 21948240), (8, 16461180), (9, 14632160), (10, 13168944), (12, 10974120), (15, 8779296), (16, 8230590), (18, 7316080), (20, 6584472), (24, 5487060), (30, 4389648), (32, 4115295), (36, 3658040), (40, 3292236), (45, 2926432), (48, 2743530), (60, 2194824), (72, 1829020), (80, 1646118), (90, 1463216), (96, 1371765), (109, 1208160), (120, 1097412), (144, 914510), (160, 823059), (180, 731608), (218, 604080), (240, 548706), (288, 457255), (327, 402720), (360, 365804), (436, 302040), (480, 274353), (545, 241632), (654, 201360), (720, 182902), (839, 156960), (872, 151020), (981, 134240), (1090, 120816), (1308, 100680), (1440, 91451), (1635, 80544), (1678, 78480), (1744, 75510), (1962, 67120), (2180, 60408), (2517, 52320), (2616, 50340), (3270, 40272), (3356, 39240), (3488, 37755), (3924, 33560), (4195, 31392), (4360, 30204), (4905, 26848), (5034, 26160), (5232, 25170), (6540, 20136), (6712, 19620), (7551, 17440), (7848, 16780), (8390, 15696), (8720, 15102), (9810, 13424), (10068, 13080), (10464, 12585)]