28721520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13297}}^1$

素因数の和:13319

約数の個数: 80

約数和(自身を含む): 98937120

約数和(自身を除く): 70215600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 13297, 26594, 39891, 53188, 66485, 79782, 106376, 119673, 132970, 159564, 199455, 212752, 239346, 265940, 319128, 359019, 398910, 478692, 531880, 598365, 638256, 718038, 797820, 957384, 1063760, 1196730, 1436076, 1595640, 1795095, 1914768, 2393460, 2872152, 3191280, 3590190, 4786920, 5744304, 7180380, 9573840, 14360760, 28721520]

約数ペア:

[(1, 28721520), (2, 14360760), (3, 9573840), (4, 7180380), (5, 5744304), (6, 4786920), (8, 3590190), (9, 3191280), (10, 2872152), (12, 2393460), (15, 1914768), (16, 1795095), (18, 1595640), (20, 1436076), (24, 1196730), (27, 1063760), (30, 957384), (36, 797820), (40, 718038), (45, 638256), (48, 598365), (54, 531880), (60, 478692), (72, 398910), (80, 359019), (90, 319128), (108, 265940), (120, 239346), (135, 212752), (144, 199455), (180, 159564), (216, 132970), (240, 119673), (270, 106376), (360, 79782), (432, 66485), (540, 53188), (720, 39891), (1080, 26594), (2160, 13297)]