1081360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1931}}^1$

素因数の和:1951

約数の個数: 40

約数和(自身を含む): 2874816

約数和(自身を除く): 1793456

約数列:

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

約数ペア:

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