128240672

素因数分解:

$2^5\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3163}}^1$

素因数の和:3361

約数の個数: 48

約数和(自身を含む): 290227392

約数和(自身を除く): 161986720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 181, 224, 362, 724, 1267, 1448, 2534, 2896, 3163, 5068, 5792, 6326, 10136, 12652, 20272, 22141, 25304, 40544, 44282, 50608, 88564, 101216, 177128, 354256, 572503, 708512, 1145006, 2290012, 4007521, 4580024, 8015042, 9160048, 16030084, 18320096, 32060168, 64120336, 128240672]

約数ペア:

[(1, 128240672), (2, 64120336), (4, 32060168), (7, 18320096), (8, 16030084), (14, 9160048), (16, 8015042), (28, 4580024), (32, 4007521), (56, 2290012), (112, 1145006), (181, 708512), (224, 572503), (362, 354256), (724, 177128), (1267, 101216), (1448, 88564), (2534, 50608), (2896, 44282), (3163, 40544), (5068, 25304), (5792, 22141), (6326, 20272), (10136, 12652)]