80721600

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 168

約数和(自身を含む): 269857728

約数和(自身を除く): 189136128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 67, 75, 80, 96, 100, 120, 134, 150, 160, 192, 200, 201, 240, 251, 268, 300, 320, 335, 400, 402, 480, 502, 536, 600, 670, 753, 800, 804, 960, 1004, 1005, 1072, 1200, 1255, 1340, 1506, 1600, 1608, 1675, 2008, 2010, 2144, 2400, 2510, 2680, 3012, 3216, 3350, 3765, 4016, 4020, 4288, 4800, 5020, 5025, 5360, 6024, 6275, 6432, 6700, 7530, 8032, 8040, 10040, 10050, 10720, 12048, 12550, 12864, 13400, 15060, 16064, 16080, 16817, 18825, 20080, 20100, 21440, 24096, 25100, 26800, 30120, 32160, 33634, 37650, 40160, 40200, 48192, 50200, 50451, 53600, 60240, 64320, 67268, 75300, 80320, 80400, 84085, 100400, 100902, 107200, 120480, 134536, 150600, 160800, 168170, 200800, 201804, 240960, 252255, 269072, 301200, 321600, 336340, 401600, 403608, 420425, 504510, 538144, 602400, 672680, 807216, 840850, 1009020, 1076288, 1204800, 1261275, 1345360, 1614432, 1681700, 2018040, 2522550, 2690720, 3228864, 3363400, 4036080, 5045100, 5381440, 6726800, 8072160, 10090200, 13453600, 16144320, 20180400, 26907200, 40360800, 80721600]

約数ペア:

[(1, 80721600), (2, 40360800), (3, 26907200), (4, 20180400), (5, 16144320), (6, 13453600), (8, 10090200), (10, 8072160), (12, 6726800), (15, 5381440), (16, 5045100), (20, 4036080), (24, 3363400), (25, 3228864), (30, 2690720), (32, 2522550), (40, 2018040), (48, 1681700), (50, 1614432), (60, 1345360), (64, 1261275), (67, 1204800), (75, 1076288), (80, 1009020), (96, 840850), (100, 807216), (120, 672680), (134, 602400), (150, 538144), (160, 504510), (192, 420425), (200, 403608), (201, 401600), (240, 336340), (251, 321600), (268, 301200), (300, 269072), (320, 252255), (335, 240960), (400, 201804), (402, 200800), (480, 168170), (502, 160800), (536, 150600), (600, 134536), (670, 120480), (753, 107200), (800, 100902), (804, 100400), (960, 84085), (1004, 80400), (1005, 80320), (1072, 75300), (1200, 67268), (1255, 64320), (1340, 60240), (1506, 53600), (1600, 50451), (1608, 50200), (1675, 48192), (2008, 40200), (2010, 40160), (2144, 37650), (2400, 33634), (2510, 32160), (2680, 30120), (3012, 26800), (3216, 25100), (3350, 24096), (3765, 21440), (4016, 20100), (4020, 20080), (4288, 18825), (4800, 16817), (5020, 16080), (5025, 16064), (5360, 15060), (6024, 13400), (6275, 12864), (6432, 12550), (6700, 12048), (7530, 10720), (8032, 10050), (8040, 10040)]