816397520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{1213}}^1$

素因数の和:1452

約数の個数: 80

約数和(自身を含む): 1950946560

約数和(自身を除く): 1134549040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 179, 188, 235, 358, 376, 470, 716, 752, 895, 940, 1213, 1432, 1790, 1880, 2426, 2864, 3580, 3760, 4852, 6065, 7160, 8413, 9704, 12130, 14320, 16826, 19408, 24260, 33652, 42065, 48520, 57011, 67304, 84130, 97040, 114022, 134608, 168260, 217127, 228044, 285055, 336520, 434254, 456088, 570110, 673040, 868508, 912176, 1085635, 1140220, 1737016, 2171270, 2280440, 3474032, 4342540, 4560880, 8685080, 10204969, 17370160, 20409938, 40819876, 51024845, 81639752, 102049690, 163279504, 204099380, 408198760, 816397520]

約数ペア:

[(1, 816397520), (2, 408198760), (4, 204099380), (5, 163279504), (8, 102049690), (10, 81639752), (16, 51024845), (20, 40819876), (40, 20409938), (47, 17370160), (80, 10204969), (94, 8685080), (179, 4560880), (188, 4342540), (235, 3474032), (358, 2280440), (376, 2171270), (470, 1737016), (716, 1140220), (752, 1085635), (895, 912176), (940, 868508), (1213, 673040), (1432, 570110), (1790, 456088), (1880, 434254), (2426, 336520), (2864, 285055), (3580, 228044), (3760, 217127), (4852, 168260), (6065, 134608), (7160, 114022), (8413, 97040), (9704, 84130), (12130, 67304), (14320, 57011), (16826, 48520), (19408, 42065), (24260, 33652)]