78942180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2879}}^1$

素因数の和:3348

約数の個数: 48

約数和(自身を含む): 221598720

約数和(自身を除く): 142656540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 914, 1371, 1828, 2285, 2742, 2879, 4570, 5484, 5758, 6855, 8637, 9140, 11516, 13710, 14395, 17274, 27420, 28790, 34548, 43185, 57580, 86370, 172740, 1315703, 2631406, 3947109, 5262812, 6578515, 7894218, 13157030, 15788436, 19735545, 26314060, 39471090, 78942180]

約数ペア:

[(1, 78942180), (2, 39471090), (3, 26314060), (4, 19735545), (5, 15788436), (6, 13157030), (10, 7894218), (12, 6578515), (15, 5262812), (20, 3947109), (30, 2631406), (60, 1315703), (457, 172740), (914, 86370), (1371, 57580), (1828, 43185), (2285, 34548), (2742, 28790), (2879, 27420), (4570, 17274), (5484, 14395), (5758, 13710), (6855, 11516), (8637, 9140)]