64800680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231431}}^1$

素因数の和:231449

約数の個数: 32

約数和(自身を含む): 166631040

約数和(自身を除く): 101830360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231431, 462862, 925724, 1157155, 1620017, 1851448, 2314310, 3240034, 4628620, 6480068, 8100085, 9257240, 12960136, 16200170, 32400340, 64800680]

約数ペア:

[(1, 64800680), (2, 32400340), (4, 16200170), (5, 12960136), (7, 9257240), (8, 8100085), (10, 6480068), (14, 4628620), (20, 3240034), (28, 2314310), (35, 1851448), (40, 1620017), (56, 1157155), (70, 925724), (140, 462862), (280, 231431)]