123665920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 160

約数和(自身を含む): 347263488

約数和(自身を除く): 223597568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 103, 112, 128, 134, 140, 160, 206, 224, 256, 268, 280, 320, 335, 412, 448, 469, 512, 515, 536, 560, 640, 670, 721, 824, 896, 938, 1030, 1072, 1120, 1280, 1340, 1442, 1648, 1792, 1876, 2060, 2144, 2240, 2345, 2560, 2680, 2884, 3296, 3584, 3605, 3752, 4120, 4288, 4480, 4690, 5360, 5768, 6592, 6901, 7210, 7504, 8240, 8576, 8960, 9380, 10720, 11536, 13184, 13802, 14420, 15008, 16480, 17152, 17920, 18760, 21440, 23072, 26368, 27604, 28840, 30016, 32960, 34304, 34505, 37520, 42880, 46144, 48307, 52736, 55208, 57680, 60032, 65920, 69010, 75040, 85760, 92288, 96614, 110416, 115360, 120064, 131840, 138020, 150080, 171520, 184576, 193228, 220832, 230720, 240128, 241535, 263680, 276040, 300160, 369152, 386456, 441664, 461440, 483070, 552080, 600320, 772912, 883328, 922880, 966140, 1104160, 1200640, 1545824, 1766656, 1845760, 1932280, 2208320, 3091648, 3533312, 3864560, 4416640, 6183296, 7729120, 8833280, 12366592, 15458240, 17666560, 24733184, 30916480, 61832960, 123665920]

約数ペア:

[(1, 123665920), (2, 61832960), (4, 30916480), (5, 24733184), (7, 17666560), (8, 15458240), (10, 12366592), (14, 8833280), (16, 7729120), (20, 6183296), (28, 4416640), (32, 3864560), (35, 3533312), (40, 3091648), (56, 2208320), (64, 1932280), (67, 1845760), (70, 1766656), (80, 1545824), (103, 1200640), (112, 1104160), (128, 966140), (134, 922880), (140, 883328), (160, 772912), (206, 600320), (224, 552080), (256, 483070), (268, 461440), (280, 441664), (320, 386456), (335, 369152), (412, 300160), (448, 276040), (469, 263680), (512, 241535), (515, 240128), (536, 230720), (560, 220832), (640, 193228), (670, 184576), (721, 171520), (824, 150080), (896, 138020), (938, 131840), (1030, 120064), (1072, 115360), (1120, 110416), (1280, 96614), (1340, 92288), (1442, 85760), (1648, 75040), (1792, 69010), (1876, 65920), (2060, 60032), (2144, 57680), (2240, 55208), (2345, 52736), (2560, 48307), (2680, 46144), (2884, 42880), (3296, 37520), (3584, 34505), (3605, 34304), (3752, 32960), (4120, 30016), (4288, 28840), (4480, 27604), (4690, 26368), (5360, 23072), (5768, 21440), (6592, 18760), (6901, 17920), (7210, 17152), (7504, 16480), (8240, 15008), (8576, 14420), (8960, 13802), (9380, 13184), (10720, 11536)]