28475880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{661}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 85795200

約数和(自身を除く): 57319320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 359, 661, 718, 1077, 1322, 1436, 1795, 1983, 2154, 2644, 2872, 3305, 3590, 3966, 4308, 5288, 5385, 6610, 7180, 7932, 8616, 9915, 10770, 13220, 14360, 15864, 19830, 21540, 26440, 39660, 43080, 79320, 237299, 474598, 711897, 949196, 1186495, 1423794, 1898392, 2372990, 2847588, 3559485, 4745980, 5695176, 7118970, 9491960, 14237940, 28475880]

約数ペア:

[(1, 28475880), (2, 14237940), (3, 9491960), (4, 7118970), (5, 5695176), (6, 4745980), (8, 3559485), (10, 2847588), (12, 2372990), (15, 1898392), (20, 1423794), (24, 1186495), (30, 949196), (40, 711897), (60, 474598), (120, 237299), (359, 79320), (661, 43080), (718, 39660), (1077, 26440), (1322, 21540), (1436, 19830), (1795, 15864), (1983, 14360), (2154, 13220), (2644, 10770), (2872, 9915), (3305, 8616), (3590, 7932), (3966, 7180), (4308, 6610), (5288, 5385)]