1640903076

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{660589}}^1$

素因数の和:660625

約数の個数: 48

約数和(自身を含む): 4439164800

約数和(自身を除く): 2798261724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 660589, 1321178, 1981767, 2642356, 3963534, 5945301, 7927068, 11890602, 15193547, 17835903, 23781204, 30387094, 35671806, 45580641, 60774188, 71343612, 91161282, 136741923, 182322564, 273483846, 410225769, 546967692, 820451538, 1640903076]

約数ペア:

[(1, 1640903076), (2, 820451538), (3, 546967692), (4, 410225769), (6, 273483846), (9, 182322564), (12, 136741923), (18, 91161282), (23, 71343612), (27, 60774188), (36, 45580641), (46, 35671806), (54, 30387094), (69, 23781204), (92, 17835903), (108, 15193547), (138, 11890602), (207, 7927068), (276, 5945301), (414, 3963534), (621, 2642356), (828, 1981767), (1242, 1321178), (2484, 660589)]