1621980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{9011}}^1$

素因数の和:9026

約数の個数: 36

約数和(自身を含む): 4920552

約数和(自身を除く): 3298572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 9011, 18022, 27033, 36044, 45055, 54066, 81099, 90110, 108132, 135165, 162198, 180220, 270330, 324396, 405495, 540660, 810990, 1621980]

約数ペア:

[(1, 1621980), (2, 810990), (3, 540660), (4, 405495), (5, 324396), (6, 270330), (9, 180220), (10, 162198), (12, 135165), (15, 108132), (18, 90110), (20, 81099), (30, 54066), (36, 45055), (45, 36044), (60, 27033), (90, 18022), (180, 9011)]