15681816

素因数分解:

$2^3\times 3^3\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 44160000

約数和(自身を除く): 28478184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 79, 108, 158, 216, 237, 316, 474, 632, 711, 919, 948, 1422, 1838, 1896, 2133, 2757, 2844, 3676, 4266, 5514, 5688, 7352, 8271, 8532, 11028, 16542, 17064, 22056, 24813, 33084, 49626, 66168, 72601, 99252, 145202, 198504, 217803, 290404, 435606, 580808, 653409, 871212, 1306818, 1742424, 1960227, 2613636, 3920454, 5227272, 7840908, 15681816]

約数ペア:

[(1, 15681816), (2, 7840908), (3, 5227272), (4, 3920454), (6, 2613636), (8, 1960227), (9, 1742424), (12, 1306818), (18, 871212), (24, 653409), (27, 580808), (36, 435606), (54, 290404), (72, 217803), (79, 198504), (108, 145202), (158, 99252), (216, 72601), (237, 66168), (316, 49626), (474, 33084), (632, 24813), (711, 22056), (919, 17064), (948, 16542), (1422, 11028), (1838, 8532), (1896, 8271), (2133, 7352), (2757, 5688), (2844, 5514), (3676, 4266)]