161279280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{223999}}^1$

素因数の和:224018

約数の個数: 60

約数和(自身を含む): 541632000

約数和(自身を除く): 380352720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 223999, 447998, 671997, 895996, 1119995, 1343994, 1791992, 2015991, 2239990, 2687988, 3359985, 3583984, 4031982, 4479980, 5375976, 6719970, 8063964, 8959960, 10079955, 10751952, 13439940, 16127928, 17919920, 20159910, 26879880, 32255856, 40319820, 53759760, 80639640, 161279280]

約数ペア:

[(1, 161279280), (2, 80639640), (3, 53759760), (4, 40319820), (5, 32255856), (6, 26879880), (8, 20159910), (9, 17919920), (10, 16127928), (12, 13439940), (15, 10751952), (16, 10079955), (18, 8959960), (20, 8063964), (24, 6719970), (30, 5375976), (36, 4479980), (40, 4031982), (45, 3583984), (48, 3359985), (60, 2687988), (72, 2239990), (80, 2015991), (90, 1791992), (120, 1343994), (144, 1119995), (180, 895996), (240, 671997), (360, 447998), (720, 223999)]