2478538240

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 160

約数和(自身を含む): 6180033024

約数和(自身を除く): 3701494784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 137, 148, 160, 185, 191, 256, 274, 296, 320, 370, 382, 512, 548, 592, 640, 685, 740, 764, 955, 1096, 1184, 1280, 1370, 1480, 1528, 1910, 2192, 2368, 2560, 2740, 2960, 3056, 3820, 4384, 4736, 5069, 5480, 5920, 6112, 7067, 7640, 8768, 9472, 10138, 10960, 11840, 12224, 14134, 15280, 17536, 18944, 20276, 21920, 23680, 24448, 25345, 26167, 28268, 30560, 35072, 35335, 40552, 43840, 47360, 48896, 50690, 52334, 56536, 61120, 70144, 70670, 81104, 87680, 94720, 97792, 101380, 104668, 113072, 122240, 130835, 141340, 162208, 175360, 202760, 209336, 226144, 244480, 261670, 282680, 324416, 350720, 405520, 418672, 452288, 488960, 523340, 565360, 648832, 811040, 837344, 904576, 968179, 1046680, 1130720, 1297664, 1622080, 1674688, 1809152, 1936358, 2093360, 2261440, 2595328, 3244160, 3349376, 3618304, 3872716, 4186720, 4522880, 4840895, 6488320, 6698752, 7745432, 8373440, 9045760, 9681790, 12976640, 13397504, 15490864, 16746880, 18091520, 19363580, 30981728, 33493760, 38727160, 61963456, 66987520, 77454320, 123926912, 154908640, 247853824, 309817280, 495707648, 619634560, 1239269120, 2478538240]

約数ペア:

[(1, 2478538240), (2, 1239269120), (4, 619634560), (5, 495707648), (8, 309817280), (10, 247853824), (16, 154908640), (20, 123926912), (32, 77454320), (37, 66987520), (40, 61963456), (64, 38727160), (74, 33493760), (80, 30981728), (128, 19363580), (137, 18091520), (148, 16746880), (160, 15490864), (185, 13397504), (191, 12976640), (256, 9681790), (274, 9045760), (296, 8373440), (320, 7745432), (370, 6698752), (382, 6488320), (512, 4840895), (548, 4522880), (592, 4186720), (640, 3872716), (685, 3618304), (740, 3349376), (764, 3244160), (955, 2595328), (1096, 2261440), (1184, 2093360), (1280, 1936358), (1370, 1809152), (1480, 1674688), (1528, 1622080), (1910, 1297664), (2192, 1130720), (2368, 1046680), (2560, 968179), (2740, 904576), (2960, 837344), (3056, 811040), (3820, 648832), (4384, 565360), (4736, 523340), (5069, 488960), (5480, 452288), (5920, 418672), (6112, 405520), (7067, 350720), (7640, 324416), (8768, 282680), (9472, 261670), (10138, 244480), (10960, 226144), (11840, 209336), (12224, 202760), (14134, 175360), (15280, 162208), (17536, 141340), (18944, 130835), (20276, 122240), (21920, 113072), (23680, 104668), (24448, 101380), (25345, 97792), (26167, 94720), (28268, 87680), (30560, 81104), (35072, 70670), (35335, 70144), (40552, 61120), (43840, 56536), (47360, 52334), (48896, 50690)]