68779520

素因数分解:

$2^9\times 5^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 80

約数和(自身を含む): 167788368

約数和(自身を除く): 99008848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 401, 512, 536, 640, 670, 802, 1072, 1280, 1340, 1604, 2005, 2144, 2560, 2680, 3208, 4010, 4288, 5360, 6416, 8020, 8576, 10720, 12832, 16040, 17152, 21440, 25664, 26867, 32080, 34304, 42880, 51328, 53734, 64160, 85760, 102656, 107468, 128320, 134335, 171520, 205312, 214936, 256640, 268670, 429872, 513280, 537340, 859744, 1026560, 1074680, 1719488, 2149360, 3438976, 4298720, 6877952, 8597440, 13755904, 17194880, 34389760, 68779520]

約数ペア:

[(1, 68779520), (2, 34389760), (4, 17194880), (5, 13755904), (8, 8597440), (10, 6877952), (16, 4298720), (20, 3438976), (32, 2149360), (40, 1719488), (64, 1074680), (67, 1026560), (80, 859744), (128, 537340), (134, 513280), (160, 429872), (256, 268670), (268, 256640), (320, 214936), (335, 205312), (401, 171520), (512, 134335), (536, 128320), (640, 107468), (670, 102656), (802, 85760), (1072, 64160), (1280, 53734), (1340, 51328), (1604, 42880), (2005, 34304), (2144, 32080), (2560, 26867), (2680, 25664), (3208, 21440), (4010, 17152), (4288, 16040), (5360, 12832), (6416, 10720), (8020, 8576)]