68389620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87679}}^1$

素因数の和:87704

約数の個数: 48

約数和(自身を含む): 206223360

約数和(自身を除く): 137833740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 87679, 175358, 263037, 350716, 438395, 526074, 876790, 1052148, 1139827, 1315185, 1753580, 2279654, 2630370, 3419481, 4559308, 5260740, 5699135, 6838962, 11398270, 13677924, 17097405, 22796540, 34194810, 68389620]

約数ペア:

[(1, 68389620), (2, 34194810), (3, 22796540), (4, 17097405), (5, 13677924), (6, 11398270), (10, 6838962), (12, 5699135), (13, 5260740), (15, 4559308), (20, 3419481), (26, 2630370), (30, 2279654), (39, 1753580), (52, 1315185), (60, 1139827), (65, 1052148), (78, 876790), (130, 526074), (156, 438395), (195, 350716), (260, 263037), (390, 175358), (780, 87679)]