30704640

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1999}}^1$

素因数の和:2027

約数の個数: 88

約数和(自身を含む): 98256000

約数和(自身を除く): 67551360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 1999, 2560, 3072, 3840, 3998, 5120, 5997, 7680, 7996, 9995, 11994, 15360, 15992, 19990, 23988, 29985, 31984, 39980, 47976, 59970, 63968, 79960, 95952, 119940, 127936, 159920, 191904, 239880, 255872, 319840, 383808, 479760, 511744, 639680, 767616, 959520, 1023488, 1279360, 1535232, 1919040, 2046976, 2558720, 3070464, 3838080, 5117440, 6140928, 7676160, 10234880, 15352320, 30704640]

約数ペア:

[(1, 30704640), (2, 15352320), (3, 10234880), (4, 7676160), (5, 6140928), (6, 5117440), (8, 3838080), (10, 3070464), (12, 2558720), (15, 2046976), (16, 1919040), (20, 1535232), (24, 1279360), (30, 1023488), (32, 959520), (40, 767616), (48, 639680), (60, 511744), (64, 479760), (80, 383808), (96, 319840), (120, 255872), (128, 239880), (160, 191904), (192, 159920), (240, 127936), (256, 119940), (320, 95952), (384, 79960), (480, 63968), (512, 59970), (640, 47976), (768, 39980), (960, 31984), (1024, 29985), (1280, 23988), (1536, 19990), (1920, 15992), (1999, 15360), (2560, 11994), (3072, 9995), (3840, 7996), (3998, 7680), (5120, 5997)]