154647680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 96

約数和(自身を含む): 406573020

約数和(自身を除く): 251925340

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1210, 1408, 1760, 1936, 1997, 2420, 3520, 3872, 3994, 4840, 7040, 7744, 7988, 9680, 9985, 15488, 15976, 19360, 19970, 21967, 31952, 38720, 39940, 43934, 63904, 77440, 79880, 87868, 109835, 127808, 159760, 175736, 219670, 241637, 255616, 319520, 351472, 439340, 483274, 639040, 702944, 878680, 966548, 1208185, 1278080, 1405888, 1757360, 1933096, 2416370, 2811776, 3514720, 3866192, 4832740, 7029440, 7732384, 9665480, 14058880, 15464768, 19330960, 30929536, 38661920, 77323840, 154647680]

約数ペア:

[(1, 154647680), (2, 77323840), (4, 38661920), (5, 30929536), (8, 19330960), (10, 15464768), (11, 14058880), (16, 9665480), (20, 7732384), (22, 7029440), (32, 4832740), (40, 3866192), (44, 3514720), (55, 2811776), (64, 2416370), (80, 1933096), (88, 1757360), (110, 1405888), (121, 1278080), (128, 1208185), (160, 966548), (176, 878680), (220, 702944), (242, 639040), (320, 483274), (352, 439340), (440, 351472), (484, 319520), (605, 255616), (640, 241637), (704, 219670), (880, 175736), (968, 159760), (1210, 127808), (1408, 109835), (1760, 87868), (1936, 79880), (1997, 77440), (2420, 63904), (3520, 43934), (3872, 39940), (3994, 38720), (4840, 31952), (7040, 21967), (7744, 19970), (7988, 19360), (9680, 15976), (9985, 15488)]