28556820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{52883}}^1$

素因数の和:52901

約数の個数: 48

約数和(自身を含む): 88845120

約数和(自身を除く): 60288300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 52883, 105766, 158649, 211532, 264415, 317298, 475947, 528830, 634596, 793245, 951894, 1057660, 1427841, 1586490, 1903788, 2379735, 2855682, 3172980, 4759470, 5711364, 7139205, 9518940, 14278410, 28556820]

約数ペア:

[(1, 28556820), (2, 14278410), (3, 9518940), (4, 7139205), (5, 5711364), (6, 4759470), (9, 3172980), (10, 2855682), (12, 2379735), (15, 1903788), (18, 1586490), (20, 1427841), (27, 1057660), (30, 951894), (36, 793245), (45, 634596), (54, 528830), (60, 475947), (90, 317298), (108, 264415), (135, 211532), (180, 158649), (270, 105766), (540, 52883)]