90441320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1153}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 213120720

約数和(自身を除く): 122679400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 148, 185, 212, 265, 296, 370, 424, 530, 740, 1060, 1153, 1480, 1961, 2120, 2306, 3922, 4612, 5765, 7844, 9224, 9805, 11530, 15688, 19610, 23060, 39220, 42661, 46120, 61109, 78440, 85322, 122218, 170644, 213305, 244436, 305545, 341288, 426610, 488872, 611090, 853220, 1222180, 1706440, 2261033, 2444360, 4522066, 9044132, 11305165, 18088264, 22610330, 45220660, 90441320]

約数ペア:

[(1, 90441320), (2, 45220660), (4, 22610330), (5, 18088264), (8, 11305165), (10, 9044132), (20, 4522066), (37, 2444360), (40, 2261033), (53, 1706440), (74, 1222180), (106, 853220), (148, 611090), (185, 488872), (212, 426610), (265, 341288), (296, 305545), (370, 244436), (424, 213305), (530, 170644), (740, 122218), (1060, 85322), (1153, 78440), (1480, 61109), (1961, 46120), (2120, 42661), (2306, 39220), (3922, 23060), (4612, 19610), (5765, 15688), (7844, 11530), (9224, 9805)]