263245760

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1493}}^1$

素因数の和:1558

約数の個数: 112

約数和(自身を含む): 683056800

約数和(自身を除く): 419811040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 145, 152, 160, 190, 232, 290, 304, 320, 380, 464, 551, 580, 608, 760, 928, 1102, 1160, 1216, 1493, 1520, 1856, 2204, 2320, 2755, 2986, 3040, 4408, 4640, 5510, 5972, 6080, 7465, 8816, 9280, 11020, 11944, 14930, 17632, 22040, 23888, 28367, 29860, 35264, 43297, 44080, 47776, 56734, 59720, 86594, 88160, 95552, 113468, 119440, 141835, 173188, 176320, 216485, 226936, 238880, 283670, 346376, 432970, 453872, 477760, 567340, 692752, 822643, 865940, 907744, 1134680, 1385504, 1645286, 1731880, 1815488, 2269360, 2771008, 3290572, 3463760, 4113215, 4538720, 6581144, 6927520, 8226430, 9077440, 13162288, 13855040, 16452860, 26324576, 32905720, 52649152, 65811440, 131622880, 263245760]

約数ペア:

[(1, 263245760), (2, 131622880), (4, 65811440), (5, 52649152), (8, 32905720), (10, 26324576), (16, 16452860), (19, 13855040), (20, 13162288), (29, 9077440), (32, 8226430), (38, 6927520), (40, 6581144), (58, 4538720), (64, 4113215), (76, 3463760), (80, 3290572), (95, 2771008), (116, 2269360), (145, 1815488), (152, 1731880), (160, 1645286), (190, 1385504), (232, 1134680), (290, 907744), (304, 865940), (320, 822643), (380, 692752), (464, 567340), (551, 477760), (580, 453872), (608, 432970), (760, 346376), (928, 283670), (1102, 238880), (1160, 226936), (1216, 216485), (1493, 176320), (1520, 173188), (1856, 141835), (2204, 119440), (2320, 113468), (2755, 95552), (2986, 88160), (3040, 86594), (4408, 59720), (4640, 56734), (5510, 47776), (5972, 44080), (6080, 43297), (7465, 35264), (8816, 29860), (9280, 28367), (11020, 23888), (11944, 22040), (14930, 17632)]