64577280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 210155904

約数和(自身を除く): 145578624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 251, 256, 268, 320, 335, 384, 402, 480, 502, 536, 640, 670, 753, 768, 804, 960, 1004, 1005, 1072, 1255, 1280, 1340, 1506, 1608, 1920, 2008, 2010, 2144, 2510, 2680, 3012, 3216, 3765, 3840, 4016, 4020, 4288, 5020, 5360, 6024, 6432, 7530, 8032, 8040, 8576, 10040, 10720, 12048, 12864, 15060, 16064, 16080, 16817, 17152, 20080, 21440, 24096, 25728, 30120, 32128, 32160, 33634, 40160, 42880, 48192, 50451, 51456, 60240, 64256, 64320, 67268, 80320, 84085, 85760, 96384, 100902, 120480, 128640, 134536, 160640, 168170, 192768, 201804, 240960, 252255, 257280, 269072, 321280, 336340, 403608, 481920, 504510, 538144, 672680, 807216, 963840, 1009020, 1076288, 1345360, 1614432, 2018040, 2152576, 2690720, 3228864, 4036080, 4305152, 5381440, 6457728, 8072160, 10762880, 12915456, 16144320, 21525760, 32288640, 64577280]

約数ペア:

[(1, 64577280), (2, 32288640), (3, 21525760), (4, 16144320), (5, 12915456), (6, 10762880), (8, 8072160), (10, 6457728), (12, 5381440), (15, 4305152), (16, 4036080), (20, 3228864), (24, 2690720), (30, 2152576), (32, 2018040), (40, 1614432), (48, 1345360), (60, 1076288), (64, 1009020), (67, 963840), (80, 807216), (96, 672680), (120, 538144), (128, 504510), (134, 481920), (160, 403608), (192, 336340), (201, 321280), (240, 269072), (251, 257280), (256, 252255), (268, 240960), (320, 201804), (335, 192768), (384, 168170), (402, 160640), (480, 134536), (502, 128640), (536, 120480), (640, 100902), (670, 96384), (753, 85760), (768, 84085), (804, 80320), (960, 67268), (1004, 64320), (1005, 64256), (1072, 60240), (1255, 51456), (1280, 50451), (1340, 48192), (1506, 42880), (1608, 40160), (1920, 33634), (2008, 32160), (2010, 32128), (2144, 30120), (2510, 25728), (2680, 24096), (3012, 21440), (3216, 20080), (3765, 17152), (3840, 16817), (4016, 16080), (4020, 16064), (4288, 15060), (5020, 12864), (5360, 12048), (6024, 10720), (6432, 10040), (7530, 8576), (8032, 8040)]