121294480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 299088000

約数和(自身を除く): 177793520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 199, 304, 380, 398, 401, 760, 796, 802, 995, 1520, 1592, 1604, 1990, 2005, 3184, 3208, 3781, 3980, 4010, 6416, 7562, 7619, 7960, 8020, 15124, 15238, 15920, 16040, 18905, 30248, 30476, 32080, 37810, 38095, 60496, 60952, 75620, 76190, 79799, 121904, 151240, 152380, 159598, 302480, 304760, 319196, 398995, 609520, 638392, 797990, 1276784, 1516181, 1595980, 3032362, 3191960, 6064724, 6383920, 7580905, 12129448, 15161810, 24258896, 30323620, 60647240, 121294480]

約数ペア:

[(1, 121294480), (2, 60647240), (4, 30323620), (5, 24258896), (8, 15161810), (10, 12129448), (16, 7580905), (19, 6383920), (20, 6064724), (38, 3191960), (40, 3032362), (76, 1595980), (80, 1516181), (95, 1276784), (152, 797990), (190, 638392), (199, 609520), (304, 398995), (380, 319196), (398, 304760), (401, 302480), (760, 159598), (796, 152380), (802, 151240), (995, 121904), (1520, 79799), (1592, 76190), (1604, 75620), (1990, 60952), (2005, 60496), (3184, 38095), (3208, 37810), (3781, 32080), (3980, 30476), (4010, 30248), (6416, 18905), (7562, 16040), (7619, 15920), (7960, 15238), (8020, 15124)]