8680840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 23474880

約数和(自身を除く): 14794040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 103, 140, 172, 196, 206, 215, 245, 280, 301, 344, 392, 412, 430, 490, 515, 602, 721, 824, 860, 980, 1030, 1204, 1442, 1505, 1720, 1960, 2060, 2107, 2408, 2884, 3010, 3605, 4120, 4214, 4429, 5047, 5768, 6020, 7210, 8428, 8858, 10094, 10535, 12040, 14420, 16856, 17716, 20188, 21070, 22145, 25235, 28840, 31003, 35432, 40376, 42140, 44290, 50470, 62006, 84280, 88580, 100940, 124012, 155015, 177160, 201880, 217021, 248024, 310030, 434042, 620060, 868084, 1085105, 1240120, 1736168, 2170210, 4340420, 8680840]

約数ペア:

[(1, 8680840), (2, 4340420), (4, 2170210), (5, 1736168), (7, 1240120), (8, 1085105), (10, 868084), (14, 620060), (20, 434042), (28, 310030), (35, 248024), (40, 217021), (43, 201880), (49, 177160), (56, 155015), (70, 124012), (86, 100940), (98, 88580), (103, 84280), (140, 62006), (172, 50470), (196, 44290), (206, 42140), (215, 40376), (245, 35432), (280, 31003), (301, 28840), (344, 25235), (392, 22145), (412, 21070), (430, 20188), (490, 17716), (515, 16856), (602, 14420), (721, 12040), (824, 10535), (860, 10094), (980, 8858), (1030, 8428), (1204, 7210), (1442, 6020), (1505, 5768), (1720, 5047), (1960, 4429), (2060, 4214), (2107, 4120), (2408, 3605), (2884, 3010)]