72901980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{405011}}^1$

素因数の和:405026

約数の個数: 36

約数和(自身を含む): 221136552

約数和(自身を除く): 148234572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 405011, 810022, 1215033, 1620044, 2025055, 2430066, 3645099, 4050110, 4860132, 6075165, 7290198, 8100220, 12150330, 14580396, 18225495, 24300660, 36450990, 72901980]

約数ペア:

[(1, 72901980), (2, 36450990), (3, 24300660), (4, 18225495), (5, 14580396), (6, 12150330), (9, 8100220), (10, 7290198), (12, 6075165), (15, 4860132), (18, 4050110), (20, 3645099), (30, 2430066), (36, 2025055), (45, 1620044), (60, 1215033), (90, 810022), (180, 405011)]