2791980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{15511}}^1$

素因数の和:15526

約数の個数: 36

約数和(自身を含む): 8469552

約数和(自身を除く): 5677572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 15511, 31022, 46533, 62044, 77555, 93066, 139599, 155110, 186132, 232665, 279198, 310220, 465330, 558396, 697995, 930660, 1395990, 2791980]

約数ペア:

[(1, 2791980), (2, 1395990), (3, 930660), (4, 697995), (5, 558396), (6, 465330), (9, 310220), (10, 279198), (12, 232665), (15, 186132), (18, 155110), (20, 139599), (30, 93066), (36, 77555), (45, 62044), (60, 46533), (90, 31022), (180, 15511)]