2991420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{16619}}^1$

素因数の和:16634

約数の個数: 36

約数和(自身を含む): 9074520

約数和(自身を除く): 6083100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 16619, 33238, 49857, 66476, 83095, 99714, 149571, 166190, 199428, 249285, 299142, 332380, 498570, 598284, 747855, 997140, 1495710, 2991420]

約数ペア:

[(1, 2991420), (2, 1495710), (3, 997140), (4, 747855), (5, 598284), (6, 498570), (9, 332380), (10, 299142), (12, 249285), (15, 199428), (18, 166190), (20, 149571), (30, 99714), (36, 83095), (45, 66476), (60, 49857), (90, 33238), (180, 16619)]