2780085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 5806080

約数和(自身を除く): 3025995

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 55, 77, 83, 87, 105, 145, 165, 203, 231, 249, 319, 385, 415, 435, 581, 609, 913, 957, 1015, 1155, 1245, 1595, 1743, 2233, 2407, 2739, 2905, 3045, 4565, 4785, 6391, 6699, 7221, 8715, 11165, 12035, 13695, 16849, 19173, 26477, 31955, 33495, 36105, 50547, 79431, 84245, 95865, 132385, 185339, 252735, 397155, 556017, 926695, 2780085]

約数ペア:

[(1, 2780085), (3, 926695), (5, 556017), (7, 397155), (11, 252735), (15, 185339), (21, 132385), (29, 95865), (33, 84245), (35, 79431), (55, 50547), (77, 36105), (83, 33495), (87, 31955), (105, 26477), (145, 19173), (165, 16849), (203, 13695), (231, 12035), (249, 11165), (319, 8715), (385, 7221), (415, 6699), (435, 6391), (581, 4785), (609, 4565), (913, 3045), (957, 2905), (1015, 2739), (1155, 2407), (1245, 2233), (1595, 1743)]