16856527360

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:638

約数の個数: 160

約数和(自身を含む): 41129264880

約数和(自身を除く): 24272737520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 193, 218, 256, 313, 320, 386, 436, 512, 545, 626, 640, 772, 872, 965, 1090, 1252, 1280, 1544, 1565, 1744, 1930, 2180, 2504, 2560, 3088, 3130, 3488, 3860, 4360, 5008, 6176, 6260, 6976, 7720, 8720, 10016, 12352, 12520, 13952, 15440, 17440, 20032, 21037, 24704, 25040, 27904, 30880, 34117, 34880, 40064, 42074, 49408, 50080, 55808, 60409, 61760, 68234, 69760, 80128, 84148, 98816, 100160, 105185, 120818, 123520, 136468, 139520, 160256, 168296, 170585, 200320, 210370, 241636, 247040, 272936, 279040, 302045, 336592, 341170, 400640, 420740, 483272, 494080, 545872, 604090, 673184, 682340, 801280, 841480, 966544, 1091744, 1208180, 1346368, 1364680, 1682960, 1933088, 2183488, 2416360, 2692736, 2729360, 3365920, 3866176, 4366976, 4832720, 5385472, 5458720, 6584581, 6731840, 7732352, 8733952, 9665440, 10770944, 10917440, 13169162, 13463680, 15464704, 17467904, 19330880, 21834880, 26338324, 26927360, 30929408, 32922905, 38661760, 43669760, 52676648, 53854720, 65845810, 77323520, 87339520, 105353296, 131691620, 154647040, 210706592, 263383240, 421413184, 526766480, 842826368, 1053532960, 1685652736, 2107065920, 3371305472, 4214131840, 8428263680, 16856527360]

約数ペア:

[(1, 16856527360), (2, 8428263680), (4, 4214131840), (5, 3371305472), (8, 2107065920), (10, 1685652736), (16, 1053532960), (20, 842826368), (32, 526766480), (40, 421413184), (64, 263383240), (80, 210706592), (109, 154647040), (128, 131691620), (160, 105353296), (193, 87339520), (218, 77323520), (256, 65845810), (313, 53854720), (320, 52676648), (386, 43669760), (436, 38661760), (512, 32922905), (545, 30929408), (626, 26927360), (640, 26338324), (772, 21834880), (872, 19330880), (965, 17467904), (1090, 15464704), (1252, 13463680), (1280, 13169162), (1544, 10917440), (1565, 10770944), (1744, 9665440), (1930, 8733952), (2180, 7732352), (2504, 6731840), (2560, 6584581), (3088, 5458720), (3130, 5385472), (3488, 4832720), (3860, 4366976), (4360, 3866176), (5008, 3365920), (6176, 2729360), (6260, 2692736), (6976, 2416360), (7720, 2183488), (8720, 1933088), (10016, 1682960), (12352, 1364680), (12520, 1346368), (13952, 1208180), (15440, 1091744), (17440, 966544), (20032, 841480), (21037, 801280), (24704, 682340), (25040, 673184), (27904, 604090), (30880, 545872), (34117, 494080), (34880, 483272), (40064, 420740), (42074, 400640), (49408, 341170), (50080, 336592), (55808, 302045), (60409, 279040), (61760, 272936), (68234, 247040), (69760, 241636), (80128, 210370), (84148, 200320), (98816, 170585), (100160, 168296), (105185, 160256), (120818, 139520), (123520, 136468)]