67811920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{293}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 173238912

約数和(自身を除く): 105426992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 263, 293, 440, 526, 586, 880, 1052, 1172, 1315, 1465, 2104, 2344, 2630, 2893, 2930, 3223, 4208, 4688, 5260, 5786, 5860, 6446, 10520, 11572, 11720, 12892, 14465, 16115, 21040, 23144, 23440, 25784, 28930, 32230, 46288, 51568, 57860, 64460, 77059, 115720, 128920, 154118, 231440, 257840, 308236, 385295, 616472, 770590, 847649, 1232944, 1541180, 1695298, 3082360, 3390596, 4238245, 6164720, 6781192, 8476490, 13562384, 16952980, 33905960, 67811920]

約数ペア:

[(1, 67811920), (2, 33905960), (4, 16952980), (5, 13562384), (8, 8476490), (10, 6781192), (11, 6164720), (16, 4238245), (20, 3390596), (22, 3082360), (40, 1695298), (44, 1541180), (55, 1232944), (80, 847649), (88, 770590), (110, 616472), (176, 385295), (220, 308236), (263, 257840), (293, 231440), (440, 154118), (526, 128920), (586, 115720), (880, 77059), (1052, 64460), (1172, 57860), (1315, 51568), (1465, 46288), (2104, 32230), (2344, 28930), (2630, 25784), (2893, 23440), (2930, 23144), (3223, 21040), (4208, 16115), (4688, 14465), (5260, 12892), (5786, 11720), (5860, 11572), (6446, 10520)]