90396880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{479}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 241413120

約数和(自身を除く): 151016240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 337, 479, 560, 674, 958, 1348, 1685, 1916, 2359, 2395, 2696, 3353, 3370, 3832, 4718, 4790, 5392, 6706, 6740, 7664, 9436, 9580, 11795, 13412, 13480, 16765, 18872, 19160, 23590, 26824, 26960, 33530, 37744, 38320, 47180, 53648, 67060, 94360, 134120, 161423, 188720, 268240, 322846, 645692, 807115, 1129961, 1291384, 1614230, 2259922, 2582768, 3228460, 4519844, 5649805, 6456920, 9039688, 11299610, 12913840, 18079376, 22599220, 45198440, 90396880]

約数ペア:

[(1, 90396880), (2, 45198440), (4, 22599220), (5, 18079376), (7, 12913840), (8, 11299610), (10, 9039688), (14, 6456920), (16, 5649805), (20, 4519844), (28, 3228460), (35, 2582768), (40, 2259922), (56, 1614230), (70, 1291384), (80, 1129961), (112, 807115), (140, 645692), (280, 322846), (337, 268240), (479, 188720), (560, 161423), (674, 134120), (958, 94360), (1348, 67060), (1685, 53648), (1916, 47180), (2359, 38320), (2395, 37744), (2696, 33530), (3353, 26960), (3370, 26824), (3832, 23590), (4718, 19160), (4790, 18872), (5392, 16765), (6706, 13480), (6740, 13412), (7664, 11795), (9436, 9580)]