72622040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 171806400

約数和(自身を除く): 99184360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 193, 230, 386, 409, 460, 772, 818, 920, 965, 1544, 1636, 1930, 2045, 3272, 3860, 4090, 4439, 7720, 8180, 8878, 9407, 16360, 17756, 18814, 22195, 35512, 37628, 44390, 47035, 75256, 78937, 88780, 94070, 157874, 177560, 188140, 315748, 376280, 394685, 631496, 789370, 1578740, 1815551, 3157480, 3631102, 7262204, 9077755, 14524408, 18155510, 36311020, 72622040]

約数ペア:

[(1, 72622040), (2, 36311020), (4, 18155510), (5, 14524408), (8, 9077755), (10, 7262204), (20, 3631102), (23, 3157480), (40, 1815551), (46, 1578740), (92, 789370), (115, 631496), (184, 394685), (193, 376280), (230, 315748), (386, 188140), (409, 177560), (460, 157874), (772, 94070), (818, 88780), (920, 78937), (965, 75256), (1544, 47035), (1636, 44390), (1930, 37628), (2045, 35512), (3272, 22195), (3860, 18814), (4090, 17756), (4439, 16360), (7720, 9407), (8180, 8878)]