164943680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1072

約数の個数: 112

約数和(自身を含む): 438034176

約数和(自身を除く): 273090496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 160, 176, 188, 220, 235, 320, 352, 376, 440, 470, 517, 704, 752, 880, 940, 997, 1034, 1504, 1760, 1880, 1994, 2068, 2585, 3008, 3520, 3760, 3988, 4136, 4985, 5170, 7520, 7976, 8272, 9970, 10340, 10967, 15040, 15952, 16544, 19940, 20680, 21934, 31904, 33088, 39880, 41360, 43868, 46859, 54835, 63808, 79760, 82720, 87736, 93718, 109670, 159520, 165440, 175472, 187436, 219340, 234295, 319040, 350944, 374872, 438680, 468590, 515449, 701888, 749744, 877360, 937180, 1030898, 1499488, 1754720, 1874360, 2061796, 2577245, 2998976, 3509440, 3748720, 4123592, 5154490, 7497440, 8247184, 10308980, 14994880, 16494368, 20617960, 32988736, 41235920, 82471840, 164943680]

約数ペア:

[(1, 164943680), (2, 82471840), (4, 41235920), (5, 32988736), (8, 20617960), (10, 16494368), (11, 14994880), (16, 10308980), (20, 8247184), (22, 7497440), (32, 5154490), (40, 4123592), (44, 3748720), (47, 3509440), (55, 2998976), (64, 2577245), (80, 2061796), (88, 1874360), (94, 1754720), (110, 1499488), (160, 1030898), (176, 937180), (188, 877360), (220, 749744), (235, 701888), (320, 515449), (352, 468590), (376, 438680), (440, 374872), (470, 350944), (517, 319040), (704, 234295), (752, 219340), (880, 187436), (940, 175472), (997, 165440), (1034, 159520), (1504, 109670), (1760, 93718), (1880, 87736), (1994, 82720), (2068, 79760), (2585, 63808), (3008, 54835), (3520, 46859), (3760, 43868), (3988, 41360), (4136, 39880), (4985, 33088), (5170, 31904), (7520, 21934), (7976, 20680), (8272, 19940), (9970, 16544), (10340, 15952), (10967, 15040)]