67376680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{240631}}^1$

素因数の和:240649

約数の個数: 32

約数和(自身を含む): 173255040

約数和(自身を除く): 105878360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 240631, 481262, 962524, 1203155, 1684417, 1925048, 2406310, 3368834, 4812620, 6737668, 8422085, 9625240, 13475336, 16844170, 33688340, 67376680]

約数ペア:

[(1, 67376680), (2, 33688340), (4, 16844170), (5, 13475336), (7, 9625240), (8, 8422085), (10, 6737668), (14, 4812620), (20, 3368834), (28, 2406310), (35, 1925048), (40, 1684417), (56, 1203155), (70, 962524), (140, 481262), (280, 240631)]