1209920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 56

約数和(自身を含む): 3048000

約数和(自身を除く): 1838080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 199, 304, 320, 380, 398, 608, 760, 796, 995, 1216, 1520, 1592, 1990, 3040, 3184, 3781, 3980, 6080, 6368, 7562, 7960, 12736, 15124, 15920, 18905, 30248, 31840, 37810, 60496, 63680, 75620, 120992, 151240, 241984, 302480, 604960, 1209920]

約数ペア:

[(1, 1209920), (2, 604960), (4, 302480), (5, 241984), (8, 151240), (10, 120992), (16, 75620), (19, 63680), (20, 60496), (32, 37810), (38, 31840), (40, 30248), (64, 18905), (76, 15920), (80, 15124), (95, 12736), (152, 7960), (160, 7562), (190, 6368), (199, 6080), (304, 3980), (320, 3781), (380, 3184), (398, 3040), (608, 1990), (760, 1592), (796, 1520), (995, 1216)]