1200640

素因数分解:

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

素因数の和:97

約数の個数: 80

約数和(自身を含む): 3339072

約数和(自身を除く): 2138432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 67, 70, 80, 112, 128, 134, 140, 160, 224, 256, 268, 280, 320, 335, 448, 469, 512, 536, 560, 640, 670, 896, 938, 1072, 1120, 1280, 1340, 1792, 1876, 2144, 2240, 2345, 2560, 2680, 3584, 3752, 4288, 4480, 4690, 5360, 7504, 8576, 8960, 9380, 10720, 15008, 17152, 17920, 18760, 21440, 30016, 34304, 37520, 42880, 60032, 75040, 85760, 120064, 150080, 171520, 240128, 300160, 600320, 1200640]

約数ペア:

[(1, 1200640), (2, 600320), (4, 300160), (5, 240128), (7, 171520), (8, 150080), (10, 120064), (14, 85760), (16, 75040), (20, 60032), (28, 42880), (32, 37520), (35, 34304), (40, 30016), (56, 21440), (64, 18760), (67, 17920), (70, 17152), (80, 15008), (112, 10720), (128, 9380), (134, 8960), (140, 8576), (160, 7504), (224, 5360), (256, 4690), (268, 4480), (280, 4288), (320, 3752), (335, 3584), (448, 2680), (469, 2560), (512, 2345), (536, 2240), (560, 2144), (640, 1876), (670, 1792), (896, 1340), (938, 1280), (1072, 1120)]