2560965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4826304

約数和(自身を除く): 2265339

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 83, 85, 121, 165, 187, 249, 255, 363, 415, 561, 605, 913, 935, 1245, 1411, 1815, 2057, 2739, 2805, 4233, 4565, 6171, 7055, 10043, 10285, 13695, 15521, 21165, 30129, 30855, 46563, 50215, 77605, 150645, 170731, 232815, 512193, 853655, 2560965]

約数ペア:

[(1, 2560965), (3, 853655), (5, 512193), (11, 232815), (15, 170731), (17, 150645), (33, 77605), (51, 50215), (55, 46563), (83, 30855), (85, 30129), (121, 21165), (165, 15521), (187, 13695), (249, 10285), (255, 10043), (363, 7055), (415, 6171), (561, 4565), (605, 4233), (913, 2805), (935, 2739), (1245, 2057), (1411, 1815)]