27140820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64621}}^1$

素因数の和:64640

約数の個数: 48

約数和(自身を含む): 86851968

約数和(自身を除く): 59711148

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, 64621, 129242, 193863, 258484, 323105, 387726, 452347, 646210, 775452, 904694, 969315, 1292420, 1357041, 1809388, 1938630, 2261735, 2714082, 3877260, 4523470, 5428164, 6785205, 9046940, 13570410, 27140820]

約数ペア:

[(1, 27140820), (2, 13570410), (3, 9046940), (4, 6785205), (5, 5428164), (6, 4523470), (7, 3877260), (10, 2714082), (12, 2261735), (14, 1938630), (15, 1809388), (20, 1357041), (21, 1292420), (28, 969315), (30, 904694), (35, 775452), (42, 646210), (60, 452347), (70, 387726), (84, 323105), (105, 258484), (140, 193863), (210, 129242), (420, 64621)]