30811980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{513533}}^1$

素因数の和:513545

約数の個数: 24

約数和(自身を含む): 86273712

約数和(自身を除く): 55461732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 513533, 1027066, 1540599, 2054132, 2567665, 3081198, 5135330, 6162396, 7702995, 10270660, 15405990, 30811980]

約数ペア:

[(1, 30811980), (2, 15405990), (3, 10270660), (4, 7702995), (5, 6162396), (6, 5135330), (10, 3081198), (12, 2567665), (15, 2054132), (20, 1540599), (30, 1027066), (60, 513533)]