77171280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{321547}}^1$

素因数の和:321563

約数の個数: 40

約数和(自身を含む): 239231712

約数和(自身を除く): 162060432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 321547, 643094, 964641, 1286188, 1607735, 1929282, 2572376, 3215470, 3858564, 4823205, 5144752, 6430940, 7717128, 9646410, 12861880, 15434256, 19292820, 25723760, 38585640, 77171280]

約数ペア:

[(1, 77171280), (2, 38585640), (3, 25723760), (4, 19292820), (5, 15434256), (6, 12861880), (8, 9646410), (10, 7717128), (12, 6430940), (15, 5144752), (16, 4823205), (20, 3858564), (24, 3215470), (30, 2572376), (40, 1929282), (48, 1607735), (60, 1286188), (80, 964641), (120, 643094), (240, 321547)]