19680777780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328012963}}^1$

素因数の和:328012975

約数の個数: 24

約数和(自身を含む): 55106177952

約数和(自身を除く): 35425400172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328012963, 656025926, 984038889, 1312051852, 1640064815, 1968077778, 3280129630, 3936155556, 4920194445, 6560259260, 9840388890, 19680777780]

約数ペア:

[(1, 19680777780), (2, 9840388890), (3, 6560259260), (4, 4920194445), (5, 3936155556), (6, 3280129630), (10, 1968077778), (12, 1640064815), (15, 1312051852), (20, 984038889), (30, 656025926), (60, 328012963)]