87765730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 182020608

約数和(自身を除く): 94254878

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 151, 170, 221, 263, 302, 442, 526, 755, 1105, 1315, 1510, 1963, 2210, 2567, 2630, 3419, 3926, 4471, 5134, 6838, 8942, 9815, 12835, 17095, 19630, 22355, 25670, 33371, 34190, 39713, 44710, 58123, 66742, 79426, 116246, 166855, 198565, 290615, 333710, 397130, 516269, 581230, 675121, 1032538, 1350242, 2581345, 3375605, 5162690, 6751210, 8776573, 17553146, 43882865, 87765730]

約数ペア:

[(1, 87765730), (2, 43882865), (5, 17553146), (10, 8776573), (13, 6751210), (17, 5162690), (26, 3375605), (34, 2581345), (65, 1350242), (85, 1032538), (130, 675121), (151, 581230), (170, 516269), (221, 397130), (263, 333710), (302, 290615), (442, 198565), (526, 166855), (755, 116246), (1105, 79426), (1315, 66742), (1510, 58123), (1963, 44710), (2210, 39713), (2567, 34190), (2630, 33371), (3419, 25670), (3926, 22355), (4471, 19630), (5134, 17095), (6838, 12835), (8942, 9815)]