54980820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{305449}}^1$

素因数の和:305464

約数の個数: 36

約数和(自身を含む): 166775700

約数和(自身を除く): 111794880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 305449, 610898, 916347, 1221796, 1527245, 1832694, 2749041, 3054490, 3665388, 4581735, 5498082, 6108980, 9163470, 10996164, 13745205, 18326940, 27490410, 54980820]

約数ペア:

[(1, 54980820), (2, 27490410), (3, 18326940), (4, 13745205), (5, 10996164), (6, 9163470), (9, 6108980), (10, 5498082), (12, 4581735), (15, 3665388), (18, 3054490), (20, 2749041), (30, 1832694), (36, 1527245), (45, 1221796), (60, 916347), (90, 610898), (180, 305449)]