81741672

素因数分解:

$2^3\times 3^2\times {\mathrm{719}}^1\times {\mathrm{1579}}^1$

素因数の和:2310

約数の個数: 48

約数和(自身を含む): 221832000

約数和(自身を除く): 140090328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 719, 1438, 1579, 2157, 2876, 3158, 4314, 4737, 5752, 6316, 6471, 8628, 9474, 12632, 12942, 14211, 17256, 18948, 25884, 28422, 37896, 51768, 56844, 113688, 1135301, 2270602, 3405903, 4541204, 6811806, 9082408, 10217709, 13623612, 20435418, 27247224, 40870836, 81741672]

約数ペア:

[(1, 81741672), (2, 40870836), (3, 27247224), (4, 20435418), (6, 13623612), (8, 10217709), (9, 9082408), (12, 6811806), (18, 4541204), (24, 3405903), (36, 2270602), (72, 1135301), (719, 113688), (1438, 56844), (1579, 51768), (2157, 37896), (2876, 28422), (3158, 25884), (4314, 18948), (4737, 17256), (5752, 14211), (6316, 12942), (6471, 12632), (8628, 9474)]