77613280

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 194594400

約数和(自身を除く): 116981120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 80, 86, 116, 145, 160, 172, 215, 232, 290, 344, 389, 430, 464, 580, 688, 778, 860, 928, 1160, 1247, 1376, 1556, 1720, 1945, 2320, 2494, 3112, 3440, 3890, 4640, 4988, 6224, 6235, 6880, 7780, 9976, 11281, 12448, 12470, 15560, 16727, 19952, 22562, 24940, 31120, 33454, 39904, 45124, 49880, 56405, 62240, 66908, 83635, 90248, 99760, 112810, 133816, 167270, 180496, 199520, 225620, 267632, 334540, 360992, 451240, 485083, 535264, 669080, 902480, 970166, 1338160, 1804960, 1940332, 2425415, 2676320, 3880664, 4850830, 7761328, 9701660, 15522656, 19403320, 38806640, 77613280]

約数ペア:

[(1, 77613280), (2, 38806640), (4, 19403320), (5, 15522656), (8, 9701660), (10, 7761328), (16, 4850830), (20, 3880664), (29, 2676320), (32, 2425415), (40, 1940332), (43, 1804960), (58, 1338160), (80, 970166), (86, 902480), (116, 669080), (145, 535264), (160, 485083), (172, 451240), (215, 360992), (232, 334540), (290, 267632), (344, 225620), (389, 199520), (430, 180496), (464, 167270), (580, 133816), (688, 112810), (778, 99760), (860, 90248), (928, 83635), (1160, 66908), (1247, 62240), (1376, 56405), (1556, 49880), (1720, 45124), (1945, 39904), (2320, 33454), (2494, 31120), (3112, 24940), (3440, 22562), (3890, 19952), (4640, 16727), (4988, 15560), (6224, 12470), (6235, 12448), (6880, 11281), (7780, 9976)]