An apparatus management device, which is connected via a network to an apparatus, includes a storage unit configured to store a default value for a parameter of the apparatus and a table including coefficients associated with counter values indicating operational status of the apparatus; an apparatus information obtaining unit configured to obtain apparatus information including a counter value indicating the operational status from the apparatus; a parameter value calculation unit configured to obtain one of the coefficients that corresponds to the counter value in the obtained apparatus information by referring to the table, and to calculate an update value for the parameter of the apparatus by multiplying the default value by the one of the coefficients; and a setting unit configured to set the parameter of the apparatus at the update value.