13947180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17881}}^1$

素因数の和:17906

約数の個数: 48

約数和(自身を含む): 42058464

約数和(自身を除く): 28111284

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, 17881, 35762, 53643, 71524, 89405, 107286, 178810, 214572, 232453, 268215, 357620, 464906, 536430, 697359, 929812, 1072860, 1162265, 1394718, 2324530, 2789436, 3486795, 4649060, 6973590, 13947180]

約数ペア:

[(1, 13947180), (2, 6973590), (3, 4649060), (4, 3486795), (5, 2789436), (6, 2324530), (10, 1394718), (12, 1162265), (13, 1072860), (15, 929812), (20, 697359), (26, 536430), (30, 464906), (39, 357620), (52, 268215), (60, 232453), (65, 214572), (78, 178810), (130, 107286), (156, 89405), (195, 71524), (260, 53643), (390, 35762), (780, 17881)]