SOURCE

var times = 3600;

var res = test(times, 3);
console.log(res);

function test(num, aNum){
    var a = num / aNum;
    var r = [];
    

    var numLen = (num.toString()).length;
    var flag = '1';
    if( numLen > 2) {
        for( var i=0;i<(numLen - 2);i++) {
            flag += '0';
        }
    } 

    
    for(var i=0;i<aNum;i++){
        var random = Math.floor(Math.random()*9);
        var tt = (random * aNum) * parseInt(flag)
        console.log( 'tt',tt );
        r[i] = a;
    }
    
    return r;
}