491245760

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1879}}^1$

素因数の和:1958

約数の個数: 112

約数和(自身を含む): 1260652800

約数和(自身を除く): 769407040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 320, 344, 380, 430, 608, 688, 760, 817, 860, 1216, 1376, 1520, 1634, 1720, 1879, 2752, 3040, 3268, 3440, 3758, 4085, 6080, 6536, 6880, 7516, 8170, 9395, 13072, 13760, 15032, 16340, 18790, 26144, 30064, 32680, 35701, 37580, 52288, 60128, 65360, 71402, 75160, 80797, 120256, 130720, 142804, 150320, 161594, 178505, 261440, 285608, 300640, 323188, 357010, 403985, 571216, 601280, 646376, 714020, 807970, 1142432, 1292752, 1428040, 1535143, 1615940, 2284864, 2585504, 2856080, 3070286, 3231880, 5171008, 5712160, 6140572, 6463760, 7675715, 11424320, 12281144, 12927520, 15351430, 24562288, 25855040, 30702860, 49124576, 61405720, 98249152, 122811440, 245622880, 491245760]

約数ペア:

[(1, 491245760), (2, 245622880), (4, 122811440), (5, 98249152), (8, 61405720), (10, 49124576), (16, 30702860), (19, 25855040), (20, 24562288), (32, 15351430), (38, 12927520), (40, 12281144), (43, 11424320), (64, 7675715), (76, 6463760), (80, 6140572), (86, 5712160), (95, 5171008), (152, 3231880), (160, 3070286), (172, 2856080), (190, 2585504), (215, 2284864), (304, 1615940), (320, 1535143), (344, 1428040), (380, 1292752), (430, 1142432), (608, 807970), (688, 714020), (760, 646376), (817, 601280), (860, 571216), (1216, 403985), (1376, 357010), (1520, 323188), (1634, 300640), (1720, 285608), (1879, 261440), (2752, 178505), (3040, 161594), (3268, 150320), (3440, 142804), (3758, 130720), (4085, 120256), (6080, 80797), (6536, 75160), (6880, 71402), (7516, 65360), (8170, 60128), (9395, 52288), (13072, 37580), (13760, 35701), (15032, 32680), (16340, 30064), (18790, 26144)]