2842720

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 6819120

約数和(自身を除く): 3976400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 163, 218, 326, 436, 545, 652, 815, 872, 1090, 1304, 1630, 1744, 2180, 2608, 3260, 3488, 4360, 5216, 6520, 8720, 13040, 17440, 17767, 26080, 35534, 71068, 88835, 142136, 177670, 284272, 355340, 568544, 710680, 1421360, 2842720]

約数ペア:

[(1, 2842720), (2, 1421360), (4, 710680), (5, 568544), (8, 355340), (10, 284272), (16, 177670), (20, 142136), (32, 88835), (40, 71068), (80, 35534), (109, 26080), (160, 17767), (163, 17440), (218, 13040), (326, 8720), (436, 6520), (545, 5216), (652, 4360), (815, 3488), (872, 3260), (1090, 2608), (1304, 2180), (1630, 1744)]