About the Number
81072960
2進数表記:100110101010001001101000000
漢数字表記:八千百七万二千九百六十
素因数分解:
素因数の和:1168
約数の個数: 112
約数和(自身を含む): 260908800
約数和(自身を除く): 179835840
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 158, 160, 192, 237, 240, 316, 320, 395, 474, 480, 632, 790, 948, 960, 1069, 1185, 1264, 1580, 1896, 2138, 2370, 2528, 3160, 3207, 3792, 4276, 4740, 5056, 5345, 6320, 6414, 7584, 8552, 9480, 10690, 12640, 12828, 15168, 16035, 17104, 18960, 21380, 25280, 25656, 32070, 34208, 37920, 42760, 51312, 64140, 68416, 75840, 84451, 85520, 102624, 128280, 168902, 171040, 205248, 253353, 256560, 337804, 342080, 422255, 506706, 513120, 675608, 844510, 1013412, 1026240, 1266765, 1351216, 1689020, 2026824, 2533530, 2702432, 3378040, 4053648, 5067060, 5404864, 6756080, 8107296, 10134120, 13512160, 16214592, 20268240, 27024320, 40536480, 81072960]
約数ペア:
[(1, 81072960), (2, 40536480), (3, 27024320), (4, 20268240), (5, 16214592), (6, 13512160), (8, 10134120), (10, 8107296), (12, 6756080), (15, 5404864), (16, 5067060), (20, 4053648), (24, 3378040), (30, 2702432), (32, 2533530), (40, 2026824), (48, 1689020), (60, 1351216), (64, 1266765), (79, 1026240), (80, 1013412), (96, 844510), (120, 675608), (158, 513120), (160, 506706), (192, 422255), (237, 342080), (240, 337804), (316, 256560), (320, 253353), (395, 205248), (474, 171040), (480, 168902), (632, 128280), (790, 102624), (948, 85520), (960, 84451), (1069, 75840), (1185, 68416), (1264, 64140), (1580, 51312), (1896, 42760), (2138, 37920), (2370, 34208), (2528, 32070), (3160, 25656), (3207, 25280), (3792, 21380), (4276, 18960), (4740, 17104), (5056, 16035), (5345, 15168), (6320, 12828), (6414, 12640), (7584, 10690), (8552, 9480)]このpageの処理時間: 0.4997284412384033 seconds