1316680960

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{2999}}^1$

素因数の和:3041

約数の個数: 144

約数和(自身を含む): 3679200000

約数和(自身を除く): 2362519040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1960, 2240, 2744, 2999, 3136, 3430, 3920, 4480, 5488, 5998, 6272, 6860, 7840, 8960, 10976, 11996, 12544, 13720, 14995, 15680, 20993, 21952, 23992, 27440, 29990, 31360, 41986, 43904, 47984, 54880, 59980, 62720, 83972, 87808, 95968, 104965, 109760, 119960, 146951, 167944, 191936, 209930, 219520, 239920, 293902, 335888, 383872, 419860, 439040, 479840, 587804, 671776, 734755, 767744, 839720, 959680, 1028657, 1175608, 1343552, 1469510, 1679440, 1919360, 2057314, 2351216, 2687104, 2939020, 3358880, 3838720, 4114628, 4702432, 5143285, 5374208, 5878040, 6717760, 8229256, 9404864, 10286570, 11756080, 13435520, 16458512, 18809728, 20573140, 23512160, 26871040, 32917024, 37619456, 41146280, 47024320, 65834048, 82292560, 94048640, 131668096, 164585120, 188097280, 263336192, 329170240, 658340480, 1316680960]

約数ペア:

[(1, 1316680960), (2, 658340480), (4, 329170240), (5, 263336192), (7, 188097280), (8, 164585120), (10, 131668096), (14, 94048640), (16, 82292560), (20, 65834048), (28, 47024320), (32, 41146280), (35, 37619456), (40, 32917024), (49, 26871040), (56, 23512160), (64, 20573140), (70, 18809728), (80, 16458512), (98, 13435520), (112, 11756080), (128, 10286570), (140, 9404864), (160, 8229256), (196, 6717760), (224, 5878040), (245, 5374208), (256, 5143285), (280, 4702432), (320, 4114628), (343, 3838720), (392, 3358880), (448, 2939020), (490, 2687104), (560, 2351216), (640, 2057314), (686, 1919360), (784, 1679440), (896, 1469510), (980, 1343552), (1120, 1175608), (1280, 1028657), (1372, 959680), (1568, 839720), (1715, 767744), (1792, 734755), (1960, 671776), (2240, 587804), (2744, 479840), (2999, 439040), (3136, 419860), (3430, 383872), (3920, 335888), (4480, 293902), (5488, 239920), (5998, 219520), (6272, 209930), (6860, 191936), (7840, 167944), (8960, 146951), (10976, 119960), (11996, 109760), (12544, 104965), (13720, 95968), (14995, 87808), (15680, 83972), (20993, 62720), (21952, 59980), (23992, 54880), (27440, 47984), (29990, 43904), (31360, 41986)]