81519060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{194093}}^1$

素因数の和:194112

約数の個数: 48

約数和(自身を含む): 260862336

約数和(自身を除く): 179343276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 194093, 388186, 582279, 776372, 970465, 1164558, 1358651, 1940930, 2329116, 2717302, 2911395, 3881860, 4075953, 5434604, 5822790, 6793255, 8151906, 11645580, 13586510, 16303812, 20379765, 27173020, 40759530, 81519060]

約数ペア:

[(1, 81519060), (2, 40759530), (3, 27173020), (4, 20379765), (5, 16303812), (6, 13586510), (7, 11645580), (10, 8151906), (12, 6793255), (14, 5822790), (15, 5434604), (20, 4075953), (21, 3881860), (28, 2911395), (30, 2717302), (35, 2329116), (42, 1940930), (60, 1358651), (70, 1164558), (84, 970465), (105, 776372), (140, 582279), (210, 388186), (420, 194093)]