1288280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 3421440

約数和(自身を除く): 2133160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 107, 140, 172, 214, 215, 280, 301, 344, 428, 430, 535, 602, 749, 856, 860, 1070, 1204, 1498, 1505, 1720, 2140, 2408, 2996, 3010, 3745, 4280, 4601, 5992, 6020, 7490, 9202, 12040, 14980, 18404, 23005, 29960, 32207, 36808, 46010, 64414, 92020, 128828, 161035, 184040, 257656, 322070, 644140, 1288280]

約数ペア:

[(1, 1288280), (2, 644140), (4, 322070), (5, 257656), (7, 184040), (8, 161035), (10, 128828), (14, 92020), (20, 64414), (28, 46010), (35, 36808), (40, 32207), (43, 29960), (56, 23005), (70, 18404), (86, 14980), (107, 12040), (140, 9202), (172, 7490), (214, 6020), (215, 5992), (280, 4601), (301, 4280), (344, 3745), (428, 3010), (430, 2996), (535, 2408), (602, 2140), (749, 1720), (856, 1505), (860, 1498), (1070, 1204)]