67578880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 88

約数和(自身を含む): 165364848

約数和(自身を除く): 97785968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 197, 256, 268, 320, 335, 394, 512, 536, 640, 670, 788, 985, 1024, 1072, 1280, 1340, 1576, 1970, 2144, 2560, 2680, 3152, 3940, 4288, 5120, 5360, 6304, 7880, 8576, 10720, 12608, 13199, 15760, 17152, 21440, 25216, 26398, 31520, 34304, 42880, 50432, 52796, 63040, 65995, 68608, 85760, 100864, 105592, 126080, 131990, 171520, 201728, 211184, 252160, 263980, 343040, 422368, 504320, 527960, 844736, 1008640, 1055920, 1689472, 2111840, 3378944, 4223680, 6757888, 8447360, 13515776, 16894720, 33789440, 67578880]

約数ペア:

[(1, 67578880), (2, 33789440), (4, 16894720), (5, 13515776), (8, 8447360), (10, 6757888), (16, 4223680), (20, 3378944), (32, 2111840), (40, 1689472), (64, 1055920), (67, 1008640), (80, 844736), (128, 527960), (134, 504320), (160, 422368), (197, 343040), (256, 263980), (268, 252160), (320, 211184), (335, 201728), (394, 171520), (512, 131990), (536, 126080), (640, 105592), (670, 100864), (788, 85760), (985, 68608), (1024, 65995), (1072, 63040), (1280, 52796), (1340, 50432), (1576, 42880), (1970, 34304), (2144, 31520), (2560, 26398), (2680, 25216), (3152, 21440), (3940, 17152), (4288, 15760), (5120, 13199), (5360, 12608), (6304, 10720), (7880, 8576)]