813420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{4519}}^1$

素因数の和:4534

約数の個数: 36

約数和(自身を含む): 2467920

約数和(自身を除く): 1654500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 4519, 9038, 13557, 18076, 22595, 27114, 40671, 45190, 54228, 67785, 81342, 90380, 135570, 162684, 203355, 271140, 406710, 813420]

約数ペア:

[(1, 813420), (2, 406710), (3, 271140), (4, 203355), (5, 162684), (6, 135570), (9, 90380), (10, 81342), (12, 67785), (15, 54228), (18, 45190), (20, 40671), (30, 27114), (36, 22595), (45, 18076), (60, 13557), (90, 9038), (180, 4519)]