80720528

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 187797504

約数和(自身を除く): 107076976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 67, 112, 124, 134, 217, 248, 268, 347, 434, 469, 496, 536, 694, 868, 938, 1072, 1388, 1736, 1876, 2077, 2429, 2776, 3472, 3752, 4154, 4858, 5552, 7504, 8308, 9716, 10757, 14539, 16616, 19432, 21514, 23249, 29078, 33232, 38864, 43028, 46498, 58156, 75299, 86056, 92996, 116312, 150598, 162743, 172112, 185992, 232624, 301196, 325486, 371984, 602392, 650972, 720719, 1204784, 1301944, 1441438, 2603888, 2882876, 5045033, 5765752, 10090066, 11531504, 20180132, 40360264, 80720528]

約数ペア:

[(1, 80720528), (2, 40360264), (4, 20180132), (7, 11531504), (8, 10090066), (14, 5765752), (16, 5045033), (28, 2882876), (31, 2603888), (56, 1441438), (62, 1301944), (67, 1204784), (112, 720719), (124, 650972), (134, 602392), (217, 371984), (248, 325486), (268, 301196), (347, 232624), (434, 185992), (469, 172112), (496, 162743), (536, 150598), (694, 116312), (868, 92996), (938, 86056), (1072, 75299), (1388, 58156), (1736, 46498), (1876, 43028), (2077, 38864), (2429, 33232), (2776, 29078), (3472, 23249), (3752, 21514), (4154, 19432), (4858, 16616), (5552, 14539), (7504, 10757), (8308, 9716)]