82638080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 236646144

約数和(自身を除く): 154008064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 401, 448, 460, 560, 640, 644, 736, 802, 805, 896, 920, 1120, 1280, 1288, 1472, 1604, 1610, 1792, 1840, 2005, 2240, 2576, 2807, 2944, 3208, 3220, 3680, 4010, 4480, 5152, 5614, 5888, 6416, 6440, 7360, 8020, 8960, 9223, 10304, 11228, 12832, 12880, 14035, 14720, 16040, 18446, 20608, 22456, 25664, 25760, 28070, 29440, 32080, 36892, 41216, 44912, 46115, 51328, 51520, 56140, 64160, 64561, 73784, 89824, 92230, 102656, 103040, 112280, 128320, 129122, 147568, 179648, 184460, 206080, 224560, 256640, 258244, 295136, 322805, 359296, 368920, 449120, 513280, 516488, 590272, 645610, 718592, 737840, 898240, 1032976, 1180544, 1291220, 1475680, 1796480, 2065952, 2361088, 2582440, 2951360, 3592960, 4131904, 5164880, 5902720, 8263808, 10329760, 11805440, 16527616, 20659520, 41319040, 82638080]

約数ペア:

[(1, 82638080), (2, 41319040), (4, 20659520), (5, 16527616), (7, 11805440), (8, 10329760), (10, 8263808), (14, 5902720), (16, 5164880), (20, 4131904), (23, 3592960), (28, 2951360), (32, 2582440), (35, 2361088), (40, 2065952), (46, 1796480), (56, 1475680), (64, 1291220), (70, 1180544), (80, 1032976), (92, 898240), (112, 737840), (115, 718592), (128, 645610), (140, 590272), (160, 516488), (161, 513280), (184, 449120), (224, 368920), (230, 359296), (256, 322805), (280, 295136), (320, 258244), (322, 256640), (368, 224560), (401, 206080), (448, 184460), (460, 179648), (560, 147568), (640, 129122), (644, 128320), (736, 112280), (802, 103040), (805, 102656), (896, 92230), (920, 89824), (1120, 73784), (1280, 64561), (1288, 64160), (1472, 56140), (1604, 51520), (1610, 51328), (1792, 46115), (1840, 44912), (2005, 41216), (2240, 36892), (2576, 32080), (2807, 29440), (2944, 28070), (3208, 25760), (3220, 25664), (3680, 22456), (4010, 20608), (4480, 18446), (5152, 16040), (5614, 14720), (5888, 14035), (6416, 12880), (6440, 12832), (7360, 11228), (8020, 10304), (8960, 9223)]