81296040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5693}}^1$

素因数の和:5731

約数の個数: 128

約数和(自身を含む): 295176960

約数和(自身を除く): 213880920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 5693, 7140, 11386, 14280, 17079, 22772, 28465, 34158, 39851, 45544, 56930, 68316, 79702, 85395, 96781, 113860, 119553, 136632, 159404, 170790, 193562, 199255, 227720, 239106, 290343, 318808, 341580, 387124, 398510, 478212, 483905, 580686, 597765, 677467, 683160, 774248, 797020, 956424, 967810, 1161372, 1195530, 1354934, 1451715, 1594040, 1935620, 2032401, 2322744, 2391060, 2709868, 2903430, 3387335, 3871240, 4064802, 4782120, 5419736, 5806860, 6774670, 8129604, 10162005, 11613720, 13549340, 16259208, 20324010, 27098680, 40648020, 81296040]

約数ペア:

[(1, 81296040), (2, 40648020), (3, 27098680), (4, 20324010), (5, 16259208), (6, 13549340), (7, 11613720), (8, 10162005), (10, 8129604), (12, 6774670), (14, 5806860), (15, 5419736), (17, 4782120), (20, 4064802), (21, 3871240), (24, 3387335), (28, 2903430), (30, 2709868), (34, 2391060), (35, 2322744), (40, 2032401), (42, 1935620), (51, 1594040), (56, 1451715), (60, 1354934), (68, 1195530), (70, 1161372), (84, 967810), (85, 956424), (102, 797020), (105, 774248), (119, 683160), (120, 677467), (136, 597765), (140, 580686), (168, 483905), (170, 478212), (204, 398510), (210, 387124), (238, 341580), (255, 318808), (280, 290343), (340, 239106), (357, 227720), (408, 199255), (420, 193562), (476, 170790), (510, 159404), (595, 136632), (680, 119553), (714, 113860), (840, 96781), (952, 85395), (1020, 79702), (1190, 68316), (1428, 56930), (1785, 45544), (2040, 39851), (2380, 34158), (2856, 28465), (3570, 22772), (4760, 17079), (5693, 14280), (7140, 11386)]