181941720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 578880000

約数和(自身を除く): 396938280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 199, 228, 285, 380, 398, 401, 456, 570, 597, 760, 796, 802, 995, 1140, 1194, 1203, 1592, 1604, 1990, 2005, 2280, 2388, 2406, 2985, 3208, 3781, 3980, 4010, 4776, 4812, 5970, 6015, 7562, 7619, 7960, 8020, 9624, 11343, 11940, 12030, 15124, 15238, 16040, 18905, 22686, 22857, 23880, 24060, 30248, 30476, 37810, 38095, 45372, 45714, 48120, 56715, 60952, 75620, 76190, 79799, 90744, 91428, 113430, 114285, 151240, 152380, 159598, 182856, 226860, 228570, 239397, 304760, 319196, 398995, 453720, 457140, 478794, 638392, 797990, 914280, 957588, 1196985, 1516181, 1595980, 1915176, 2393970, 3032362, 3191960, 4548543, 4787940, 6064724, 7580905, 9097086, 9575880, 12129448, 15161810, 18194172, 22742715, 30323620, 36388344, 45485430, 60647240, 90970860, 181941720]

約数ペア:

[(1, 181941720), (2, 90970860), (3, 60647240), (4, 45485430), (5, 36388344), (6, 30323620), (8, 22742715), (10, 18194172), (12, 15161810), (15, 12129448), (19, 9575880), (20, 9097086), (24, 7580905), (30, 6064724), (38, 4787940), (40, 4548543), (57, 3191960), (60, 3032362), (76, 2393970), (95, 1915176), (114, 1595980), (120, 1516181), (152, 1196985), (190, 957588), (199, 914280), (228, 797990), (285, 638392), (380, 478794), (398, 457140), (401, 453720), (456, 398995), (570, 319196), (597, 304760), (760, 239397), (796, 228570), (802, 226860), (995, 182856), (1140, 159598), (1194, 152380), (1203, 151240), (1592, 114285), (1604, 113430), (1990, 91428), (2005, 90744), (2280, 79799), (2388, 76190), (2406, 75620), (2985, 60952), (3208, 56715), (3781, 48120), (3980, 45714), (4010, 45372), (4776, 38095), (4812, 37810), (5970, 30476), (6015, 30248), (7562, 24060), (7619, 23880), (7960, 22857), (8020, 22686), (9624, 18905), (11343, 16040), (11940, 15238), (12030, 15124)]