64697760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:451

約数の個数: 144

約数和(自身を含む): 222899040

約数和(自身を除く): 158201280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 179, 180, 240, 251, 288, 358, 360, 480, 502, 537, 716, 720, 753, 895, 1004, 1074, 1255, 1432, 1440, 1506, 1611, 1790, 2008, 2148, 2259, 2510, 2685, 2864, 3012, 3222, 3580, 3765, 4016, 4296, 4518, 5020, 5370, 5728, 6024, 6444, 7160, 7530, 8032, 8055, 8592, 9036, 10040, 10740, 11295, 12048, 12888, 14320, 15060, 16110, 17184, 18072, 20080, 21480, 22590, 24096, 25776, 28640, 30120, 32220, 36144, 40160, 42960, 44929, 45180, 51552, 60240, 64440, 72288, 85920, 89858, 90360, 120480, 128880, 134787, 179716, 180720, 224645, 257760, 269574, 359432, 361440, 404361, 449290, 539148, 673935, 718864, 808722, 898580, 1078296, 1347870, 1437728, 1617444, 1797160, 2021805, 2156592, 2695740, 3234888, 3594320, 4043610, 4313184, 5391480, 6469776, 7188640, 8087220, 10782960, 12939552, 16174440, 21565920, 32348880, 64697760]

約数ペア:

[(1, 64697760), (2, 32348880), (3, 21565920), (4, 16174440), (5, 12939552), (6, 10782960), (8, 8087220), (9, 7188640), (10, 6469776), (12, 5391480), (15, 4313184), (16, 4043610), (18, 3594320), (20, 3234888), (24, 2695740), (30, 2156592), (32, 2021805), (36, 1797160), (40, 1617444), (45, 1437728), (48, 1347870), (60, 1078296), (72, 898580), (80, 808722), (90, 718864), (96, 673935), (120, 539148), (144, 449290), (160, 404361), (179, 361440), (180, 359432), (240, 269574), (251, 257760), (288, 224645), (358, 180720), (360, 179716), (480, 134787), (502, 128880), (537, 120480), (716, 90360), (720, 89858), (753, 85920), (895, 72288), (1004, 64440), (1074, 60240), (1255, 51552), (1432, 45180), (1440, 44929), (1506, 42960), (1611, 40160), (1790, 36144), (2008, 32220), (2148, 30120), (2259, 28640), (2510, 25776), (2685, 24096), (2864, 22590), (3012, 21480), (3222, 20080), (3580, 18072), (3765, 17184), (4016, 16110), (4296, 15060), (4518, 14320), (5020, 12888), (5370, 12048), (5728, 11295), (6024, 10740), (6444, 10040), (7160, 9036), (7530, 8592), (8032, 8055)]