61409280

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{1999}}^1$

素因数の和:2029

約数の個数: 96

約数和(自身を含む): 196560000

約数和(自身を除く): 135150720

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, 2048, 2560, 3072, 3840, 3998, 5120, 5997, 6144, 7680, 7996, 9995, 10240, 11994, 15360, 15992, 19990, 23988, 29985, 30720, 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, 4093952, 5117440, 6140928, 7676160, 10234880, 12281856, 15352320, 20469760, 30704640, 61409280]

約数ペア:

[(1, 61409280), (2, 30704640), (3, 20469760), (4, 15352320), (5, 12281856), (6, 10234880), (8, 7676160), (10, 6140928), (12, 5117440), (15, 4093952), (16, 3838080), (20, 3070464), (24, 2558720), (30, 2046976), (32, 1919040), (40, 1535232), (48, 1279360), (60, 1023488), (64, 959520), (80, 767616), (96, 639680), (120, 511744), (128, 479760), (160, 383808), (192, 319840), (240, 255872), (256, 239880), (320, 191904), (384, 159920), (480, 127936), (512, 119940), (640, 95952), (768, 79960), (960, 63968), (1024, 59970), (1280, 47976), (1536, 39980), (1920, 31984), (1999, 30720), (2048, 29985), (2560, 23988), (3072, 19990), (3840, 15992), (3998, 15360), (5120, 11994), (5997, 10240), (6144, 9995), (7680, 7996)]