645117120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{223999}}^1$

素因数の和:224022

約数の個数: 84

約数和(自身を含む): 2218944000

約数和(自身を除く): 1573826880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 223999, 447998, 671997, 895996, 1119995, 1343994, 1791992, 2015991, 2239990, 2687988, 3359985, 3583984, 4031982, 4479980, 5375976, 6719970, 7167968, 8063964, 8959960, 10079955, 10751952, 13439940, 14335936, 16127928, 17919920, 20159910, 21503904, 26879880, 32255856, 35839840, 40319820, 43007808, 53759760, 64511712, 71679680, 80639640, 107519520, 129023424, 161279280, 215039040, 322558560, 645117120]

約数ペア:

[(1, 645117120), (2, 322558560), (3, 215039040), (4, 161279280), (5, 129023424), (6, 107519520), (8, 80639640), (9, 71679680), (10, 64511712), (12, 53759760), (15, 43007808), (16, 40319820), (18, 35839840), (20, 32255856), (24, 26879880), (30, 21503904), (32, 20159910), (36, 17919920), (40, 16127928), (45, 14335936), (48, 13439940), (60, 10751952), (64, 10079955), (72, 8959960), (80, 8063964), (90, 7167968), (96, 6719970), (120, 5375976), (144, 4479980), (160, 4031982), (180, 3583984), (192, 3359985), (240, 2687988), (288, 2239990), (320, 2015991), (360, 1791992), (480, 1343994), (576, 1119995), (720, 895996), (960, 671997), (1440, 447998), (2880, 223999)]