2168640

素因数分解:

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

素因数の和:277

約数の個数: 112

約数和(自身を含む): 7680960

約数和(自身を除く): 5512320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 251, 270, 288, 320, 360, 432, 480, 502, 540, 576, 720, 753, 864, 960, 1004, 1080, 1255, 1440, 1506, 1728, 2008, 2160, 2259, 2510, 2880, 3012, 3765, 4016, 4320, 4518, 5020, 6024, 6777, 7530, 8032, 8640, 9036, 10040, 11295, 12048, 13554, 15060, 16064, 18072, 20080, 22590, 24096, 27108, 30120, 33885, 36144, 40160, 45180, 48192, 54216, 60240, 67770, 72288, 80320, 90360, 108432, 120480, 135540, 144576, 180720, 216864, 240960, 271080, 361440, 433728, 542160, 722880, 1084320, 2168640]

約数ペア:

[(1, 2168640), (2, 1084320), (3, 722880), (4, 542160), (5, 433728), (6, 361440), (8, 271080), (9, 240960), (10, 216864), (12, 180720), (15, 144576), (16, 135540), (18, 120480), (20, 108432), (24, 90360), (27, 80320), (30, 72288), (32, 67770), (36, 60240), (40, 54216), (45, 48192), (48, 45180), (54, 40160), (60, 36144), (64, 33885), (72, 30120), (80, 27108), (90, 24096), (96, 22590), (108, 20080), (120, 18072), (135, 16064), (144, 15060), (160, 13554), (180, 12048), (192, 11295), (216, 10040), (240, 9036), (251, 8640), (270, 8032), (288, 7530), (320, 6777), (360, 6024), (432, 5020), (480, 4518), (502, 4320), (540, 4016), (576, 3765), (720, 3012), (753, 2880), (864, 2510), (960, 2259), (1004, 2160), (1080, 2008), (1255, 1728), (1440, 1506)]