30990420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{172169}}^1$

素因数の和:172184

約数の個数: 36

約数和(自身を含む): 94004820

約数和(自身を除く): 63014400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 172169, 344338, 516507, 688676, 860845, 1033014, 1549521, 1721690, 2066028, 2582535, 3099042, 3443380, 5165070, 6198084, 7747605, 10330140, 15495210, 30990420]

約数ペア:

[(1, 30990420), (2, 15495210), (3, 10330140), (4, 7747605), (5, 6198084), (6, 5165070), (9, 3443380), (10, 3099042), (12, 2582535), (15, 2066028), (18, 1721690), (20, 1549521), (30, 1033014), (36, 860845), (45, 688676), (60, 516507), (90, 344338), (180, 172169)]