Usage patterns
大量の〈物〉a large amount/quantity of ~
We analyze a large amount of data.
〈物〉を大量に〈動詞〉to do something to a large quantity of ~
I bought vegetables in bulk.
大量に〈動詞〉to do something in large amounts
〈物〉が大量に発生するa large number of ~ occurs/arises
A massive swarm of pests appeared.