81400920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678341}}^1$

素因数の和:678355

約数の個数: 32

約数和(自身を含む): 244203120

約数和(自身を除く): 162802200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678341, 1356682, 2035023, 2713364, 3391705, 4070046, 5426728, 6783410, 8140092, 10175115, 13566820, 16280184, 20350230, 27133640, 40700460, 81400920]

約数ペア:

[(1, 81400920), (2, 40700460), (3, 27133640), (4, 20350230), (5, 16280184), (6, 13566820), (8, 10175115), (10, 8140092), (12, 6783410), (15, 5426728), (20, 4070046), (24, 3391705), (30, 2713364), (40, 2035023), (60, 1356682), (120, 678341)]