About the Number
81380160
2進数表記:100110110011100001101000000
漢数字表記:八千百三十八万百六十
素因数分解:
素因数の和:9445
約数の個数: 112
約数和(自身を含む): 287121600
約数和(自身を除く): 205741440
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, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 9419, 18838, 28257, 37676, 47095, 56514, 75352, 84771, 94190, 113028, 141285, 150704, 169542, 188380, 226056, 254313, 282570, 301408, 339084, 376760, 423855, 452112, 508626, 565140, 602816, 678168, 753520, 847710, 904224, 1017252, 1130280, 1271565, 1356336, 1507040, 1695420, 1808448, 2034504, 2260560, 2543130, 2712672, 3014080, 3390840, 4069008, 4521120, 5086260, 5425344, 6781680, 8138016, 9042240, 10172520, 13563360, 16276032, 20345040, 27126720, 40690080, 81380160]
約数ペア:
[(1, 81380160), (2, 40690080), (3, 27126720), (4, 20345040), (5, 16276032), (6, 13563360), (8, 10172520), (9, 9042240), (10, 8138016), (12, 6781680), (15, 5425344), (16, 5086260), (18, 4521120), (20, 4069008), (24, 3390840), (27, 3014080), (30, 2712672), (32, 2543130), (36, 2260560), (40, 2034504), (45, 1808448), (48, 1695420), (54, 1507040), (60, 1356336), (64, 1271565), (72, 1130280), (80, 1017252), (90, 904224), (96, 847710), (108, 753520), (120, 678168), (135, 602816), (144, 565140), (160, 508626), (180, 452112), (192, 423855), (216, 376760), (240, 339084), (270, 301408), (288, 282570), (320, 254313), (360, 226056), (432, 188380), (480, 169542), (540, 150704), (576, 141285), (720, 113028), (864, 94190), (960, 84771), (1080, 75352), (1440, 56514), (1728, 47095), (2160, 37676), (2880, 28257), (4320, 18838), (8640, 9419)]このpageの処理時間: 0.011504411697387695 seconds