660597720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239347}}^1$

素因数の和:239384

約数の個数: 64

約数和(自身を含む): 2067966720

約数和(自身を除く): 1407369000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 239347, 478694, 718041, 957388, 1196735, 1436082, 1914776, 2393470, 2872164, 3590205, 4786940, 5504981, 5744328, 7180410, 9573880, 11009962, 14360820, 16514943, 22019924, 27524905, 28721640, 33029886, 44039848, 55049810, 66059772, 82574715, 110099620, 132119544, 165149430, 220199240, 330298860, 660597720]

約数ペア:

[(1, 660597720), (2, 330298860), (3, 220199240), (4, 165149430), (5, 132119544), (6, 110099620), (8, 82574715), (10, 66059772), (12, 55049810), (15, 44039848), (20, 33029886), (23, 28721640), (24, 27524905), (30, 22019924), (40, 16514943), (46, 14360820), (60, 11009962), (69, 9573880), (92, 7180410), (115, 5744328), (120, 5504981), (138, 4786940), (184, 3590205), (230, 2872164), (276, 2393470), (345, 1914776), (460, 1436082), (552, 1196735), (690, 957388), (920, 718041), (1380, 478694), (2760, 239347)]