231971520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 168

約数和(自身を含む): 809957232

約数和(自身を除く): 577985712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 192, 220, 240, 242, 264, 320, 330, 352, 363, 440, 480, 484, 528, 605, 660, 704, 726, 880, 960, 968, 1056, 1210, 1320, 1452, 1760, 1815, 1936, 1997, 2112, 2420, 2640, 2904, 3520, 3630, 3872, 3994, 4840, 5280, 5808, 5991, 7260, 7744, 7988, 9680, 9985, 10560, 11616, 11982, 14520, 15976, 19360, 19970, 21967, 23232, 23964, 29040, 29955, 31952, 38720, 39940, 43934, 47928, 58080, 59910, 63904, 65901, 79880, 87868, 95856, 109835, 116160, 119820, 127808, 131802, 159760, 175736, 191712, 219670, 239640, 241637, 263604, 319520, 329505, 351472, 383424, 439340, 479280, 483274, 527208, 639040, 659010, 702944, 724911, 878680, 958560, 966548, 1054416, 1208185, 1318020, 1405888, 1449822, 1757360, 1917120, 1933096, 2108832, 2416370, 2636040, 2899644, 3514720, 3624555, 3866192, 4217664, 4832740, 5272080, 5799288, 7029440, 7249110, 7732384, 9665480, 10544160, 11598576, 14498220, 15464768, 19330960, 21088320, 23197152, 28996440, 38661920, 46394304, 57992880, 77323840, 115985760, 231971520]

約数ペア:

[(1, 231971520), (2, 115985760), (3, 77323840), (4, 57992880), (5, 46394304), (6, 38661920), (8, 28996440), (10, 23197152), (11, 21088320), (12, 19330960), (15, 15464768), (16, 14498220), (20, 11598576), (22, 10544160), (24, 9665480), (30, 7732384), (32, 7249110), (33, 7029440), (40, 5799288), (44, 5272080), (48, 4832740), (55, 4217664), (60, 3866192), (64, 3624555), (66, 3514720), (80, 2899644), (88, 2636040), (96, 2416370), (110, 2108832), (120, 1933096), (121, 1917120), (132, 1757360), (160, 1449822), (165, 1405888), (176, 1318020), (192, 1208185), (220, 1054416), (240, 966548), (242, 958560), (264, 878680), (320, 724911), (330, 702944), (352, 659010), (363, 639040), (440, 527208), (480, 483274), (484, 479280), (528, 439340), (605, 383424), (660, 351472), (704, 329505), (726, 319520), (880, 263604), (960, 241637), (968, 239640), (1056, 219670), (1210, 191712), (1320, 175736), (1452, 159760), (1760, 131802), (1815, 127808), (1936, 119820), (1997, 116160), (2112, 109835), (2420, 95856), (2640, 87868), (2904, 79880), (3520, 65901), (3630, 63904), (3872, 59910), (3994, 58080), (4840, 47928), (5280, 43934), (5808, 39940), (5991, 38720), (7260, 31952), (7744, 29955), (7988, 29040), (9680, 23964), (9985, 23232), (10560, 21967), (11616, 19970), (11982, 19360), (14520, 15976)]