120180080

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7549}}^1$

素因数の和:7761

約数の個数: 40

約数和(自身を含む): 280860000

約数和(自身を除く): 160679920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7549, 7960, 15098, 15920, 30196, 37745, 60392, 75490, 120784, 150980, 301960, 603920, 1502251, 3004502, 6009004, 7511255, 12018008, 15022510, 24036016, 30045020, 60090040, 120180080]

約数ペア:

[(1, 120180080), (2, 60090040), (4, 30045020), (5, 24036016), (8, 15022510), (10, 12018008), (16, 7511255), (20, 6009004), (40, 3004502), (80, 1502251), (199, 603920), (398, 301960), (796, 150980), (995, 120784), (1592, 75490), (1990, 60392), (3184, 37745), (3980, 30196), (7549, 15920), (7960, 15098)]