78507520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1$

素因数の和:380

約数の個数: 160

約数和(自身を含む): 232360128

約数和(自身を除く): 153852608

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 337, 364, 416, 448, 455, 512, 520, 560, 640, 674, 728, 832, 896, 910, 1040, 1120, 1280, 1348, 1456, 1664, 1685, 1792, 1820, 2080, 2240, 2359, 2560, 2696, 2912, 3328, 3370, 3584, 3640, 4160, 4381, 4480, 4718, 5392, 5824, 6656, 6740, 7280, 8320, 8762, 8960, 9436, 10784, 11648, 11795, 13480, 14560, 16640, 17524, 17920, 18872, 21568, 21905, 23296, 23590, 26960, 29120, 30667, 33280, 35048, 37744, 43136, 43810, 46592, 47180, 53920, 58240, 61334, 70096, 75488, 86272, 87620, 94360, 107840, 116480, 122668, 140192, 150976, 153335, 172544, 175240, 188720, 215680, 232960, 245336, 280384, 301952, 306670, 350480, 377440, 431360, 490672, 560768, 603904, 613340, 700960, 754880, 862720, 981344, 1121536, 1207808, 1226680, 1401920, 1509760, 1962688, 2243072, 2453360, 2803840, 3019520, 3925376, 4906720, 5607680, 6039040, 7850752, 9813440, 11215360, 15701504, 19626880, 39253760, 78507520]

約数ペア:

[(1, 78507520), (2, 39253760), (4, 19626880), (5, 15701504), (7, 11215360), (8, 9813440), (10, 7850752), (13, 6039040), (14, 5607680), (16, 4906720), (20, 3925376), (26, 3019520), (28, 2803840), (32, 2453360), (35, 2243072), (40, 1962688), (52, 1509760), (56, 1401920), (64, 1226680), (65, 1207808), (70, 1121536), (80, 981344), (91, 862720), (104, 754880), (112, 700960), (128, 613340), (130, 603904), (140, 560768), (160, 490672), (182, 431360), (208, 377440), (224, 350480), (256, 306670), (260, 301952), (280, 280384), (320, 245336), (337, 232960), (364, 215680), (416, 188720), (448, 175240), (455, 172544), (512, 153335), (520, 150976), (560, 140192), (640, 122668), (674, 116480), (728, 107840), (832, 94360), (896, 87620), (910, 86272), (1040, 75488), (1120, 70096), (1280, 61334), (1348, 58240), (1456, 53920), (1664, 47180), (1685, 46592), (1792, 43810), (1820, 43136), (2080, 37744), (2240, 35048), (2359, 33280), (2560, 30667), (2696, 29120), (2912, 26960), (3328, 23590), (3370, 23296), (3584, 21905), (3640, 21568), (4160, 18872), (4381, 17920), (4480, 17524), (4718, 16640), (5392, 14560), (5824, 13480), (6656, 11795), (6740, 11648), (7280, 10784), (8320, 9436), (8762, 8960)]