80131980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1335533}}^1$

素因数の和:1335545

約数の個数: 24

約数和(自身を含む): 224369712

約数和(自身を除く): 144237732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1335533, 2671066, 4006599, 5342132, 6677665, 8013198, 13355330, 16026396, 20032995, 26710660, 40065990, 80131980]

約数ペア:

[(1, 80131980), (2, 40065990), (3, 26710660), (4, 20032995), (5, 16026396), (6, 13355330), (10, 8013198), (12, 6677665), (15, 5342132), (20, 4006599), (30, 2671066), (60, 1335533)]