1998840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{16657}}^1$

素因数の和:16671

約数の個数: 32

約数和(自身を含む): 5996880

約数和(自身を除く): 3998040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 16657, 33314, 49971, 66628, 83285, 99942, 133256, 166570, 199884, 249855, 333140, 399768, 499710, 666280, 999420, 1998840]

約数ペア:

[(1, 1998840), (2, 999420), (3, 666280), (4, 499710), (5, 399768), (6, 333140), (8, 249855), (10, 199884), (12, 166570), (15, 133256), (20, 99942), (24, 83285), (30, 66628), (40, 49971), (60, 33314), (120, 16657)]