320697306

素因数分解:

$2^1\times 3^7\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 727608960

約数和(自身を除く): 406911654

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 243, 314, 467, 471, 486, 729, 934, 942, 1401, 1413, 1458, 2187, 2802, 2826, 4203, 4239, 4374, 8406, 8478, 12609, 12717, 25218, 25434, 37827, 38151, 73319, 75654, 76302, 113481, 114453, 146638, 219957, 226962, 228906, 340443, 343359, 439914, 659871, 680886, 686718, 1021329, 1319742, 1979613, 2042658, 3959226, 5938839, 11877678, 17816517, 35633034, 53449551, 106899102, 160348653, 320697306]

約数ペア:

[(1, 320697306), (2, 160348653), (3, 106899102), (6, 53449551), (9, 35633034), (18, 17816517), (27, 11877678), (54, 5938839), (81, 3959226), (157, 2042658), (162, 1979613), (243, 1319742), (314, 1021329), (467, 686718), (471, 680886), (486, 659871), (729, 439914), (934, 343359), (942, 340443), (1401, 228906), (1413, 226962), (1458, 219957), (2187, 146638), (2802, 114453), (2826, 113481), (4203, 76302), (4239, 75654), (4374, 73319), (8406, 38151), (8478, 37827), (12609, 25434), (12717, 25218)]