79741980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443011}}^1$

素因数の和:443026

約数の個数: 36

約数和(自身を含む): 241884552

約数和(自身を除く): 162142572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443011, 886022, 1329033, 1772044, 2215055, 2658066, 3987099, 4430110, 5316132, 6645165, 7974198, 8860220, 13290330, 15948396, 19935495, 26580660, 39870990, 79741980]

約数ペア:

[(1, 79741980), (2, 39870990), (3, 26580660), (4, 19935495), (5, 15948396), (6, 13290330), (9, 8860220), (10, 7974198), (12, 6645165), (15, 5316132), (18, 4430110), (20, 3987099), (30, 2658066), (36, 2215055), (45, 1772044), (60, 1329033), (90, 886022), (180, 443011)]