1720682720

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{98663}}^1$

素因数の和:98787

約数の個数: 48

約数和(自身を含む): 4102449120

約数和(自身を除く): 2381766400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 17440, 98663, 197326, 394652, 493315, 789304, 986630, 1578608, 1973260, 3157216, 3946520, 7893040, 10754267, 15786080, 21508534, 43017068, 53771335, 86034136, 107542670, 172068272, 215085340, 344136544, 430170680, 860341360, 1720682720]

約数ペア:

[(1, 1720682720), (2, 860341360), (4, 430170680), (5, 344136544), (8, 215085340), (10, 172068272), (16, 107542670), (20, 86034136), (32, 53771335), (40, 43017068), (80, 21508534), (109, 15786080), (160, 10754267), (218, 7893040), (436, 3946520), (545, 3157216), (872, 1973260), (1090, 1578608), (1744, 986630), (2180, 789304), (3488, 493315), (4360, 394652), (8720, 197326), (17440, 98663)]