668808576

素因数分解:

$2^7\times 3^4\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:534

約数の個数: 160

約数和(自身を含む): 2006068680

約数和(自身を除く): 1337260104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 251, 257, 288, 324, 384, 432, 502, 514, 576, 648, 753, 771, 864, 1004, 1028, 1152, 1296, 1506, 1542, 1728, 2008, 2056, 2259, 2313, 2592, 3012, 3084, 3456, 4016, 4112, 4518, 4626, 5184, 6024, 6168, 6777, 6939, 8032, 8224, 9036, 9252, 10368, 12048, 12336, 13554, 13878, 16064, 16448, 18072, 18504, 20331, 20817, 24096, 24672, 27108, 27756, 32128, 32896, 36144, 37008, 40662, 41634, 48192, 49344, 54216, 55512, 64507, 72288, 74016, 81324, 83268, 96384, 98688, 108432, 111024, 129014, 144576, 148032, 162648, 166536, 193521, 216864, 222048, 258028, 289152, 296064, 325296, 333072, 387042, 433728, 444096, 516056, 580563, 650592, 666144, 774084, 867456, 888192, 1032112, 1161126, 1301184, 1332288, 1548168, 1741689, 2064224, 2322252, 2602368, 2664576, 3096336, 3483378, 4128448, 4644504, 5225067, 6192672, 6966756, 8256896, 9289008, 10450134, 12385344, 13933512, 18578016, 20900268, 24770688, 27867024, 37156032, 41800536, 55734048, 74312064, 83601072, 111468096, 167202144, 222936192, 334404288, 668808576]

約数ペア:

[(1, 668808576), (2, 334404288), (3, 222936192), (4, 167202144), (6, 111468096), (8, 83601072), (9, 74312064), (12, 55734048), (16, 41800536), (18, 37156032), (24, 27867024), (27, 24770688), (32, 20900268), (36, 18578016), (48, 13933512), (54, 12385344), (64, 10450134), (72, 9289008), (81, 8256896), (96, 6966756), (108, 6192672), (128, 5225067), (144, 4644504), (162, 4128448), (192, 3483378), (216, 3096336), (251, 2664576), (257, 2602368), (288, 2322252), (324, 2064224), (384, 1741689), (432, 1548168), (502, 1332288), (514, 1301184), (576, 1161126), (648, 1032112), (753, 888192), (771, 867456), (864, 774084), (1004, 666144), (1028, 650592), (1152, 580563), (1296, 516056), (1506, 444096), (1542, 433728), (1728, 387042), (2008, 333072), (2056, 325296), (2259, 296064), (2313, 289152), (2592, 258028), (3012, 222048), (3084, 216864), (3456, 193521), (4016, 166536), (4112, 162648), (4518, 148032), (4626, 144576), (5184, 129014), (6024, 111024), (6168, 108432), (6777, 98688), (6939, 96384), (8032, 83268), (8224, 81324), (9036, 74016), (9252, 72288), (10368, 64507), (12048, 55512), (12336, 54216), (13554, 49344), (13878, 48192), (16064, 41634), (16448, 40662), (18072, 37008), (18504, 36144), (20331, 32896), (20817, 32128), (24096, 27756), (24672, 27108)]