78916740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187897}}^1$

素因数の和:187916

約数の個数: 48

約数和(自身を含む): 252534912

約数和(自身を除く): 173618172

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, 187897, 375794, 563691, 751588, 939485, 1127382, 1315279, 1878970, 2254764, 2630558, 2818455, 3757940, 3945837, 5261116, 5636910, 6576395, 7891674, 11273820, 13152790, 15783348, 19729185, 26305580, 39458370, 78916740]

約数ペア:

[(1, 78916740), (2, 39458370), (3, 26305580), (4, 19729185), (5, 15783348), (6, 13152790), (7, 11273820), (10, 7891674), (12, 6576395), (14, 5636910), (15, 5261116), (20, 3945837), (21, 3757940), (28, 2818455), (30, 2630558), (35, 2254764), (42, 1878970), (60, 1315279), (70, 1127382), (84, 939485), (105, 751588), (140, 563691), (210, 375794), (420, 187897)]