717031840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 1979099136

約数和(自身を除く): 1262067296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 127, 140, 142, 160, 224, 254, 280, 284, 355, 497, 508, 560, 568, 635, 710, 889, 994, 1016, 1120, 1136, 1270, 1420, 1778, 1988, 2032, 2272, 2485, 2540, 2840, 3556, 3976, 4064, 4445, 4970, 5041, 5080, 5680, 7112, 7952, 8890, 9017, 9940, 10082, 10160, 11360, 14224, 15904, 17780, 18034, 19880, 20164, 20320, 25205, 28448, 35287, 35560, 36068, 39760, 40328, 45085, 50410, 63119, 70574, 71120, 72136, 79520, 80656, 90170, 100820, 126238, 141148, 142240, 144272, 161312, 176435, 180340, 201640, 252476, 282296, 288544, 315595, 352870, 360680, 403280, 504952, 564592, 631190, 640207, 705740, 721360, 806560, 1009904, 1129184, 1262380, 1280414, 1411480, 1442720, 2019808, 2524760, 2560828, 2822960, 3201035, 4481449, 5049520, 5121656, 5645920, 6402070, 8962898, 10099040, 10243312, 12804140, 17925796, 20486624, 22407245, 25608280, 35851592, 44814490, 51216560, 71703184, 89628980, 102433120, 143406368, 179257960, 358515920, 717031840]

約数ペア:

[(1, 717031840), (2, 358515920), (4, 179257960), (5, 143406368), (7, 102433120), (8, 89628980), (10, 71703184), (14, 51216560), (16, 44814490), (20, 35851592), (28, 25608280), (32, 22407245), (35, 20486624), (40, 17925796), (56, 12804140), (70, 10243312), (71, 10099040), (80, 8962898), (112, 6402070), (127, 5645920), (140, 5121656), (142, 5049520), (160, 4481449), (224, 3201035), (254, 2822960), (280, 2560828), (284, 2524760), (355, 2019808), (497, 1442720), (508, 1411480), (560, 1280414), (568, 1262380), (635, 1129184), (710, 1009904), (889, 806560), (994, 721360), (1016, 705740), (1120, 640207), (1136, 631190), (1270, 564592), (1420, 504952), (1778, 403280), (1988, 360680), (2032, 352870), (2272, 315595), (2485, 288544), (2540, 282296), (2840, 252476), (3556, 201640), (3976, 180340), (4064, 176435), (4445, 161312), (4970, 144272), (5041, 142240), (5080, 141148), (5680, 126238), (7112, 100820), (7952, 90170), (8890, 80656), (9017, 79520), (9940, 72136), (10082, 71120), (10160, 70574), (11360, 63119), (14224, 50410), (15904, 45085), (17780, 40328), (18034, 39760), (19880, 36068), (20164, 35560), (20320, 35287), (25205, 28448)]