2162720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1931}}^1$

素因数の和:1953

約数の個数: 48

約数和(自身を含む): 5842368

約数和(自身を除く): 3679648

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, 1931, 3862, 7724, 9655, 13517, 15448, 19310, 27034, 30896, 38620, 54068, 61792, 67585, 77240, 108136, 135170, 154480, 216272, 270340, 308960, 432544, 540680, 1081360, 2162720]

約数ペア:

[(1, 2162720), (2, 1081360), (4, 540680), (5, 432544), (7, 308960), (8, 270340), (10, 216272), (14, 154480), (16, 135170), (20, 108136), (28, 77240), (32, 67585), (35, 61792), (40, 54068), (56, 38620), (70, 30896), (80, 27034), (112, 19310), (140, 15448), (160, 13517), (224, 9655), (280, 7724), (560, 3862), (1120, 1931)]