178870140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{331241}}^1$

素因数の和:331259

約数の個数: 48

約数和(自身を含む): 556486560

約数和(自身を除く): 377616420

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, 331241, 662482, 993723, 1324964, 1656205, 1987446, 2981169, 3312410, 3974892, 4968615, 5962338, 6624820, 8943507, 9937230, 11924676, 14905845, 17887014, 19874460, 29811690, 35774028, 44717535, 59623380, 89435070, 178870140]

約数ペア:

[(1, 178870140), (2, 89435070), (3, 59623380), (4, 44717535), (5, 35774028), (6, 29811690), (9, 19874460), (10, 17887014), (12, 14905845), (15, 11924676), (18, 9937230), (20, 8943507), (27, 6624820), (30, 5962338), (36, 4968615), (45, 3974892), (54, 3312410), (60, 2981169), (90, 1987446), (108, 1656205), (135, 1324964), (180, 993723), (270, 662482), (540, 331241)]