81793960.000000000

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^3\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 80

約数和(自身を含む): 641292288

約数和(自身を除く): 364355152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 83, 112, 124, 166, 217, 248, 332, 434, 496, 581, 664, 868, 961, 1162, 1328, 1736, 1922, 2324, 2573, 3472, 3844, 4648, 5146, 6727, 7688, 9296, 10292, 13454, 15376, 18011, 20584, 26908, 29791, 36022, 41168, 53816, 59582, 72044, 79763, 107632, 119164, 144088, 159526, 208537, 238328, 288176, 319052, 417074, 476656, 558341, 638104, 834148, 1116682, 1276208, 1668296, 2233364, 2472653, 3336592, 4466728, 4945306, 8933456, 9890612, 17308571, 19781224, 34617142, 39562448, 69234284, 138468568, 276937136]

約数ペア:

[(1, 276937136), (2, 138468568), (4, 69234284), (7, 39562448), (8, 34617142), (14, 19781224), (16, 17308571), (28, 9890612), (31, 8933456), (56, 4945306), (62, 4466728), (83, 3336592), (112, 2472653), (124, 2233364), (166, 1668296), (217, 1276208), (248, 1116682), (332, 834148), (434, 638104), (496, 558341), (581, 476656), (664, 417074), (868, 319052), (961, 288176), (1162, 238328), (1328, 208537), (1736, 159526), (1922, 144088), (2324, 119164), (2573, 107632), (3472, 79763), (3844, 72044), (4648, 59582), (5146, 53816), (6727, 41168), (7688, 36022), (9296, 29791), (10292, 26908), (13454, 20584), (15376, 18011)]