68700885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 128342016

約数和(自身を除く): 59641131

約数列:

[1, 3, 5, 11, 15, 23, 33, 43, 55, 69, 115, 129, 165, 215, 253, 345, 421, 473, 645, 759, 989, 1263, 1265, 1419, 2105, 2365, 2967, 3795, 4631, 4945, 6315, 7095, 9683, 10879, 13893, 14835, 18103, 23155, 29049, 32637, 48415, 54309, 54395, 69465, 90515, 106513, 145245, 163185, 199133, 271545, 319539, 416369, 532565, 597399, 995665, 1249107, 1597695, 2081845, 2986995, 4580059, 6245535, 13740177, 22900295, 68700885]

約数ペア:

[(1, 68700885), (3, 22900295), (5, 13740177), (11, 6245535), (15, 4580059), (23, 2986995), (33, 2081845), (43, 1597695), (55, 1249107), (69, 995665), (115, 597399), (129, 532565), (165, 416369), (215, 319539), (253, 271545), (345, 199133), (421, 163185), (473, 145245), (645, 106513), (759, 90515), (989, 69465), (1263, 54395), (1265, 54309), (1419, 48415), (2105, 32637), (2365, 29049), (2967, 23155), (3795, 18103), (4631, 14835), (4945, 13893), (6315, 10879), (7095, 9683)]