211321920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{877}}^1$

素因数の和:1148

約数の個数: 112

約数和(自身を含む): 674388288

約数和(自身を除く): 463066368

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, 160, 192, 240, 251, 320, 480, 502, 753, 877, 960, 1004, 1255, 1506, 1754, 2008, 2510, 2631, 3012, 3508, 3765, 4016, 4385, 5020, 5262, 6024, 7016, 7530, 8032, 8770, 10040, 10524, 12048, 13155, 14032, 15060, 16064, 17540, 20080, 21048, 24096, 26310, 28064, 30120, 35080, 40160, 42096, 48192, 52620, 56128, 60240, 70160, 80320, 84192, 105240, 120480, 140320, 168384, 210480, 220127, 240960, 280640, 420960, 440254, 660381, 841920, 880508, 1100635, 1320762, 1761016, 2201270, 2641524, 3301905, 3522032, 4402540, 5283048, 6603810, 7044064, 8805080, 10566096, 13207620, 14088128, 17610160, 21132192, 26415240, 35220320, 42264384, 52830480, 70440640, 105660960, 211321920]

約数ペア:

[(1, 211321920), (2, 105660960), (3, 70440640), (4, 52830480), (5, 42264384), (6, 35220320), (8, 26415240), (10, 21132192), (12, 17610160), (15, 14088128), (16, 13207620), (20, 10566096), (24, 8805080), (30, 7044064), (32, 6603810), (40, 5283048), (48, 4402540), (60, 3522032), (64, 3301905), (80, 2641524), (96, 2201270), (120, 1761016), (160, 1320762), (192, 1100635), (240, 880508), (251, 841920), (320, 660381), (480, 440254), (502, 420960), (753, 280640), (877, 240960), (960, 220127), (1004, 210480), (1255, 168384), (1506, 140320), (1754, 120480), (2008, 105240), (2510, 84192), (2631, 80320), (3012, 70160), (3508, 60240), (3765, 56128), (4016, 52620), (4385, 48192), (5020, 42096), (5262, 40160), (6024, 35080), (7016, 30120), (7530, 28064), (8032, 26310), (8770, 24096), (10040, 21048), (10524, 20080), (12048, 17540), (13155, 16064), (14032, 15060)]