131287520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 192

約数和(自身を含む): 390168576

約数和(自身を除く): 258881056

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 71, 80, 91, 104, 112, 127, 130, 140, 142, 160, 182, 208, 224, 254, 260, 280, 284, 355, 364, 416, 455, 497, 508, 520, 560, 568, 635, 710, 728, 889, 910, 923, 994, 1016, 1040, 1120, 1136, 1270, 1420, 1456, 1651, 1778, 1820, 1846, 1988, 2032, 2080, 2272, 2485, 2540, 2840, 2912, 3302, 3556, 3640, 3692, 3976, 4064, 4445, 4615, 4970, 5080, 5680, 6461, 6604, 7112, 7280, 7384, 7952, 8255, 8890, 9017, 9230, 9940, 10160, 11360, 11557, 12922, 13208, 14224, 14560, 14768, 15904, 16510, 17780, 18034, 18460, 19880, 20320, 23114, 25844, 26416, 28448, 29536, 32305, 33020, 35560, 36068, 36920, 39760, 45085, 46228, 51688, 52832, 57785, 63119, 64610, 66040, 71120, 72136, 73840, 79520, 90170, 92456, 103376, 115570, 117221, 126238, 129220, 132080, 142240, 144272, 147680, 180340, 184912, 206752, 231140, 234442, 252476, 258440, 264160, 288544, 315595, 360680, 369824, 462280, 468884, 504952, 516880, 586105, 631190, 721360, 820547, 924560, 937768, 1009904, 1033760, 1172210, 1262380, 1442720, 1641094, 1849120, 1875536, 2019808, 2344420, 2524760, 3282188, 3751072, 4102735, 4688840, 5049520, 6564376, 8205470, 9377680, 10099040, 13128752, 16410940, 18755360, 26257504, 32821880, 65643760, 131287520]

約数ペア:

[(1, 131287520), (2, 65643760), (4, 32821880), (5, 26257504), (7, 18755360), (8, 16410940), (10, 13128752), (13, 10099040), (14, 9377680), (16, 8205470), (20, 6564376), (26, 5049520), (28, 4688840), (32, 4102735), (35, 3751072), (40, 3282188), (52, 2524760), (56, 2344420), (65, 2019808), (70, 1875536), (71, 1849120), (80, 1641094), (91, 1442720), (104, 1262380), (112, 1172210), (127, 1033760), (130, 1009904), (140, 937768), (142, 924560), (160, 820547), (182, 721360), (208, 631190), (224, 586105), (254, 516880), (260, 504952), (280, 468884), (284, 462280), (355, 369824), (364, 360680), (416, 315595), (455, 288544), (497, 264160), (508, 258440), (520, 252476), (560, 234442), (568, 231140), (635, 206752), (710, 184912), (728, 180340), (889, 147680), (910, 144272), (923, 142240), (994, 132080), (1016, 129220), (1040, 126238), (1120, 117221), (1136, 115570), (1270, 103376), (1420, 92456), (1456, 90170), (1651, 79520), (1778, 73840), (1820, 72136), (1846, 71120), (1988, 66040), (2032, 64610), (2080, 63119), (2272, 57785), (2485, 52832), (2540, 51688), (2840, 46228), (2912, 45085), (3302, 39760), (3556, 36920), (3640, 36068), (3692, 35560), (3976, 33020), (4064, 32305), (4445, 29536), (4615, 28448), (4970, 26416), (5080, 25844), (5680, 23114), (6461, 20320), (6604, 19880), (7112, 18460), (7280, 18034), (7384, 17780), (7952, 16510), (8255, 15904), (8890, 14768), (9017, 14560), (9230, 14224), (9940, 13208), (10160, 12922), (11360, 11557)]