78785640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218849}}^1$

素因数の和:218866

約数の個数: 48

約数和(自身を含む): 256054500

約数和(自身を除く): 177268860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 218849, 437698, 656547, 875396, 1094245, 1313094, 1750792, 1969641, 2188490, 2626188, 3282735, 3939282, 4376980, 5252376, 6565470, 7878564, 8753960, 9848205, 13130940, 15757128, 19696410, 26261880, 39392820, 78785640]

約数ペア:

[(1, 78785640), (2, 39392820), (3, 26261880), (4, 19696410), (5, 15757128), (6, 13130940), (8, 9848205), (9, 8753960), (10, 7878564), (12, 6565470), (15, 5252376), (18, 4376980), (20, 3939282), (24, 3282735), (30, 2626188), (36, 2188490), (40, 1969641), (45, 1750792), (60, 1313094), (72, 1094245), (90, 875396), (120, 656547), (180, 437698), (360, 218849)]