72388960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64633}}^1$

素因数の和:64655

約数の個数: 48

約数和(自身を含む): 195453216

約数和(自身を除く): 123064256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64633, 129266, 258532, 323165, 452431, 517064, 646330, 904862, 1034128, 1292660, 1809724, 2068256, 2262155, 2585320, 3619448, 4524310, 5170640, 7238896, 9048620, 10341280, 14477792, 18097240, 36194480, 72388960]

約数ペア:

[(1, 72388960), (2, 36194480), (4, 18097240), (5, 14477792), (7, 10341280), (8, 9048620), (10, 7238896), (14, 5170640), (16, 4524310), (20, 3619448), (28, 2585320), (32, 2262155), (35, 2068256), (40, 1809724), (56, 1292660), (70, 1034128), (80, 904862), (112, 646330), (140, 517064), (160, 452431), (224, 323165), (280, 258532), (560, 129266), (1120, 64633)]