1242920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 3352320

約数和(自身を除く): 2109400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 193, 230, 280, 322, 386, 460, 644, 772, 805, 920, 965, 1288, 1351, 1544, 1610, 1930, 2702, 3220, 3860, 4439, 5404, 6440, 6755, 7720, 8878, 10808, 13510, 17756, 22195, 27020, 31073, 35512, 44390, 54040, 62146, 88780, 124292, 155365, 177560, 248584, 310730, 621460, 1242920]

約数ペア:

[(1, 1242920), (2, 621460), (4, 310730), (5, 248584), (7, 177560), (8, 155365), (10, 124292), (14, 88780), (20, 62146), (23, 54040), (28, 44390), (35, 35512), (40, 31073), (46, 27020), (56, 22195), (70, 17756), (92, 13510), (115, 10808), (140, 8878), (161, 7720), (184, 6755), (193, 6440), (230, 5404), (280, 4439), (322, 3860), (386, 3220), (460, 2702), (644, 1930), (772, 1610), (805, 1544), (920, 1351), (965, 1288)]