2540808

素因数分解:

$2^3\times 3^5\times {\mathrm{1307}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 7141680

約数和(自身を除く): 4600872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1307, 1944, 2614, 3921, 5228, 7842, 10456, 11763, 15684, 23526, 31368, 35289, 47052, 70578, 94104, 105867, 141156, 211734, 282312, 317601, 423468, 635202, 846936, 1270404, 2540808]

約数ペア:

[(1, 2540808), (2, 1270404), (3, 846936), (4, 635202), (6, 423468), (8, 317601), (9, 282312), (12, 211734), (18, 141156), (24, 105867), (27, 94104), (36, 70578), (54, 47052), (72, 35289), (81, 31368), (108, 23526), (162, 15684), (216, 11763), (243, 10456), (324, 7842), (486, 5228), (648, 3921), (972, 2614), (1307, 1944)]