68266240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 197205120

約数和(自身を除く): 128938880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 401, 448, 532, 560, 608, 640, 665, 760, 802, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1604, 1792, 2005, 2128, 2240, 2432, 2660, 2807, 3040, 3208, 4010, 4256, 4480, 4864, 5320, 5614, 6080, 6416, 7619, 8020, 8512, 8960, 10640, 11228, 12160, 12832, 14035, 15238, 16040, 17024, 21280, 22456, 24320, 25664, 28070, 30476, 32080, 34048, 38095, 42560, 44912, 51328, 53333, 56140, 60952, 64160, 76190, 85120, 89824, 102656, 106666, 112280, 121904, 128320, 152380, 170240, 179648, 213332, 224560, 243808, 256640, 266665, 304760, 359296, 426664, 449120, 487616, 513280, 533330, 609520, 718592, 853328, 898240, 975232, 1066660, 1219040, 1706656, 1796480, 1950464, 2133320, 2438080, 3413312, 3592960, 4266640, 4876160, 6826624, 8533280, 9752320, 13653248, 17066560, 34133120, 68266240]

約数ペア:

[(1, 68266240), (2, 34133120), (4, 17066560), (5, 13653248), (7, 9752320), (8, 8533280), (10, 6826624), (14, 4876160), (16, 4266640), (19, 3592960), (20, 3413312), (28, 2438080), (32, 2133320), (35, 1950464), (38, 1796480), (40, 1706656), (56, 1219040), (64, 1066660), (70, 975232), (76, 898240), (80, 853328), (95, 718592), (112, 609520), (128, 533330), (133, 513280), (140, 487616), (152, 449120), (160, 426664), (190, 359296), (224, 304760), (256, 266665), (266, 256640), (280, 243808), (304, 224560), (320, 213332), (380, 179648), (401, 170240), (448, 152380), (532, 128320), (560, 121904), (608, 112280), (640, 106666), (665, 102656), (760, 89824), (802, 85120), (896, 76190), (1064, 64160), (1120, 60952), (1216, 56140), (1280, 53333), (1330, 51328), (1520, 44912), (1604, 42560), (1792, 38095), (2005, 34048), (2128, 32080), (2240, 30476), (2432, 28070), (2660, 25664), (2807, 24320), (3040, 22456), (3208, 21280), (4010, 17024), (4256, 16040), (4480, 15238), (4864, 14035), (5320, 12832), (5614, 12160), (6080, 11228), (6416, 10640), (7619, 8960), (8020, 8512)]