About the Number

81660960

81660959 ← → 81660961

2進数表記:100110111100000110000100000

漢数字表記:八千百六十六万九百六十

素因数分解:

2 5 × 3 4 × 5 1 × 6301 1

素因数の和:6328
約数の個数: 120
約数和(自身を含む): 288240876
約数和(自身を除く): 206579916

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6301, 6480, 12602, 12960, 18903, 25204, 31505, 37806, 50408, 56709, 63010, 75612, 94515, 100816, 113418, 126020, 151224, 170127, 189030, 201632, 226836, 252040, 283545, 302448, 340254, 378060, 453672, 504080, 510381, 567090, 604896, 680508, 756120, 850635, 907344, 1008160, 1020762, 1134180, 1361016, 1512240, 1701270, 1814688, 2041524, 2268360, 2551905, 2722032, 3024480, 3402540, 4083048, 4536720, 5103810, 5444064, 6805080, 8166096, 9073440, 10207620, 13610160, 16332192, 20415240, 27220320, 40830480, 81660960]

約数ペア:
[(1, 81660960), (2, 40830480), (3, 27220320), (4, 20415240), (5, 16332192), (6, 13610160), (8, 10207620), (9, 9073440), (10, 8166096), (12, 6805080), (15, 5444064), (16, 5103810), (18, 4536720), (20, 4083048), (24, 3402540), (27, 3024480), (30, 2722032), (32, 2551905), (36, 2268360), (40, 2041524), (45, 1814688), (48, 1701270), (54, 1512240), (60, 1361016), (72, 1134180), (80, 1020762), (81, 1008160), (90, 907344), (96, 850635), (108, 756120), (120, 680508), (135, 604896), (144, 567090), (160, 510381), (162, 504080), (180, 453672), (216, 378060), (240, 340254), (270, 302448), (288, 283545), (324, 252040), (360, 226836), (405, 201632), (432, 189030), (480, 170127), (540, 151224), (648, 126020), (720, 113418), (810, 100816), (864, 94515), (1080, 75612), (1296, 63010), (1440, 56709), (1620, 50408), (2160, 37806), (2592, 31505), (3240, 25204), (4320, 18903), (6301, 12960), (6480, 12602)]

このpageの処理時間: 0.06836390495300293 seconds