2891520

素因数分解:

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

素因数の和:278

約数の個数: 108

約数和(自身を含む): 10044216

約数和(自身を除く): 7152696

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 251, 256, 288, 320, 360, 384, 480, 502, 576, 640, 720, 753, 768, 960, 1004, 1152, 1255, 1280, 1440, 1506, 1920, 2008, 2259, 2304, 2510, 2880, 3012, 3765, 3840, 4016, 4518, 5020, 5760, 6024, 7530, 8032, 9036, 10040, 11295, 11520, 12048, 15060, 16064, 18072, 20080, 22590, 24096, 30120, 32128, 36144, 40160, 45180, 48192, 60240, 64256, 72288, 80320, 90360, 96384, 120480, 144576, 160640, 180720, 192768, 240960, 289152, 321280, 361440, 481920, 578304, 722880, 963840, 1445760, 2891520]

約数ペア:

[(1, 2891520), (2, 1445760), (3, 963840), (4, 722880), (5, 578304), (6, 481920), (8, 361440), (9, 321280), (10, 289152), (12, 240960), (15, 192768), (16, 180720), (18, 160640), (20, 144576), (24, 120480), (30, 96384), (32, 90360), (36, 80320), (40, 72288), (45, 64256), (48, 60240), (60, 48192), (64, 45180), (72, 40160), (80, 36144), (90, 32128), (96, 30120), (120, 24096), (128, 22590), (144, 20080), (160, 18072), (180, 16064), (192, 15060), (240, 12048), (251, 11520), (256, 11295), (288, 10040), (320, 9036), (360, 8032), (384, 7530), (480, 6024), (502, 5760), (576, 5020), (640, 4518), (720, 4016), (753, 3840), (768, 3765), (960, 3012), (1004, 2880), (1152, 2510), (1255, 2304), (1280, 2259), (1440, 2008), (1506, 1920)]