253489920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 815899392

約数和(自身を除く): 562409472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 251, 256, 263, 320, 384, 480, 502, 526, 640, 753, 768, 789, 960, 1004, 1052, 1255, 1280, 1315, 1506, 1578, 1920, 2008, 2104, 2510, 2630, 3012, 3156, 3765, 3840, 3945, 4016, 4208, 5020, 5260, 6024, 6312, 7530, 7890, 8032, 8416, 10040, 10520, 12048, 12624, 15060, 15780, 16064, 16832, 20080, 21040, 24096, 25248, 30120, 31560, 32128, 33664, 40160, 42080, 48192, 50496, 60240, 63120, 64256, 66013, 67328, 80320, 84160, 96384, 100992, 120480, 126240, 132026, 160640, 168320, 192768, 198039, 201984, 240960, 252480, 264052, 321280, 330065, 336640, 396078, 481920, 504960, 528104, 660130, 792156, 963840, 990195, 1009920, 1056208, 1320260, 1584312, 1980390, 2112416, 2640520, 3168624, 3960780, 4224832, 5281040, 6337248, 7921560, 8449664, 10562080, 12674496, 15843120, 16899328, 21124160, 25348992, 31686240, 42248320, 50697984, 63372480, 84496640, 126744960, 253489920]

約数ペア:

[(1, 253489920), (2, 126744960), (3, 84496640), (4, 63372480), (5, 50697984), (6, 42248320), (8, 31686240), (10, 25348992), (12, 21124160), (15, 16899328), (16, 15843120), (20, 12674496), (24, 10562080), (30, 8449664), (32, 7921560), (40, 6337248), (48, 5281040), (60, 4224832), (64, 3960780), (80, 3168624), (96, 2640520), (120, 2112416), (128, 1980390), (160, 1584312), (192, 1320260), (240, 1056208), (251, 1009920), (256, 990195), (263, 963840), (320, 792156), (384, 660130), (480, 528104), (502, 504960), (526, 481920), (640, 396078), (753, 336640), (768, 330065), (789, 321280), (960, 264052), (1004, 252480), (1052, 240960), (1255, 201984), (1280, 198039), (1315, 192768), (1506, 168320), (1578, 160640), (1920, 132026), (2008, 126240), (2104, 120480), (2510, 100992), (2630, 96384), (3012, 84160), (3156, 80320), (3765, 67328), (3840, 66013), (3945, 64256), (4016, 63120), (4208, 60240), (5020, 50496), (5260, 48192), (6024, 42080), (6312, 40160), (7530, 33664), (7890, 32128), (8032, 31560), (8416, 30120), (10040, 25248), (10520, 24096), (12048, 21040), (12624, 20080), (15060, 16832), (15780, 16064)]