165632560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 399215520

約数和(自身を除く): 233582960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 172, 178, 215, 344, 356, 430, 445, 541, 688, 712, 860, 890, 1082, 1424, 1720, 1780, 2164, 2705, 3440, 3560, 3827, 4328, 5410, 7120, 7654, 8656, 10820, 15308, 19135, 21640, 23263, 30616, 38270, 43280, 46526, 48149, 61232, 76540, 93052, 96298, 116315, 153080, 186104, 192596, 232630, 240745, 306160, 372208, 385192, 465260, 481490, 770384, 930520, 962980, 1861040, 1925960, 2070407, 3851920, 4140814, 8281628, 10352035, 16563256, 20704070, 33126512, 41408140, 82816280, 165632560]

約数ペア:

[(1, 165632560), (2, 82816280), (4, 41408140), (5, 33126512), (8, 20704070), (10, 16563256), (16, 10352035), (20, 8281628), (40, 4140814), (43, 3851920), (80, 2070407), (86, 1925960), (89, 1861040), (172, 962980), (178, 930520), (215, 770384), (344, 481490), (356, 465260), (430, 385192), (445, 372208), (541, 306160), (688, 240745), (712, 232630), (860, 192596), (890, 186104), (1082, 153080), (1424, 116315), (1720, 96298), (1780, 93052), (2164, 76540), (2705, 61232), (3440, 48149), (3560, 46526), (3827, 43280), (4328, 38270), (5410, 30616), (7120, 23263), (7654, 21640), (8656, 19135), (10820, 15308)]