To provide a power division device capable of efficiently dividing and transmitting rotational power by a simple configuration.

An inventive power division device 1 comprises: a first magnet roller 5-1 of a columnar shape having a first rotary shaft 6-1 and having a row of a plurality of permanent magnets 15 circumferentially installed at predetermined angle intervals; a second magnet roller 5-2 of a columnar shape having a second rotary shaft 6-2, installed in parallel with the first magnet roller through a predetermined spacing, and having a row of a plurality of permanent magnets 15 circumferentially installed at predetermined angle intervals; a power source 20 for rotating the first rotary shaft 6-1; a first driven apparatus 26 connected with the first rotary shaft 6-1; and a second driven apparatus 27 connected with the second rotary shaft 6-2.