80977204

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 108

約数和(自身を含む): 190639008

約数和(自身を除く): 109661804

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 71, 77, 92, 98, 142, 154, 161, 196, 253, 284, 308, 322, 497, 506, 529, 539, 644, 781, 994, 1012, 1058, 1078, 1127, 1562, 1633, 1771, 1988, 2116, 2156, 2254, 3124, 3266, 3479, 3542, 3703, 4508, 5467, 5819, 6532, 6958, 7084, 7406, 10934, 11431, 11638, 12397, 13916, 14812, 17963, 21868, 22862, 23276, 24794, 25921, 35926, 37559, 38269, 40733, 45724, 49588, 51842, 71852, 75118, 76538, 80017, 81466, 103684, 125741, 150236, 153076, 160034, 162932, 251482, 262913, 285131, 320068, 413149, 502964, 525826, 570262, 826298, 880187, 1051652, 1140524, 1652596, 1760374, 1840391, 2892043, 3520748, 3680782, 5784086, 7361564, 11568172, 20244301, 40488602, 80977204]

約数ペア:

[(1, 80977204), (2, 40488602), (4, 20244301), (7, 11568172), (11, 7361564), (14, 5784086), (22, 3680782), (23, 3520748), (28, 2892043), (44, 1840391), (46, 1760374), (49, 1652596), (71, 1140524), (77, 1051652), (92, 880187), (98, 826298), (142, 570262), (154, 525826), (161, 502964), (196, 413149), (253, 320068), (284, 285131), (308, 262913), (322, 251482), (497, 162932), (506, 160034), (529, 153076), (539, 150236), (644, 125741), (781, 103684), (994, 81466), (1012, 80017), (1058, 76538), (1078, 75118), (1127, 71852), (1562, 51842), (1633, 49588), (1771, 45724), (1988, 40733), (2116, 38269), (2156, 37559), (2254, 35926), (3124, 25921), (3266, 24794), (3479, 23276), (3542, 22862), (3703, 21868), (4508, 17963), (5467, 14812), (5819, 13916), (6532, 12397), (6958, 11638), (7084, 11431), (7406, 10934)]