1101520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{281}}^1$

素因数の和:308

約数の個数: 60

約数和(自身を含む): 2989764

約数和(自身を除く): 1888244

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 281, 392, 490, 560, 562, 784, 980, 1124, 1405, 1960, 1967, 2248, 2810, 3920, 3934, 4496, 5620, 7868, 9835, 11240, 13769, 15736, 19670, 22480, 27538, 31472, 39340, 55076, 68845, 78680, 110152, 137690, 157360, 220304, 275380, 550760, 1101520]

約数ペア:

[(1, 1101520), (2, 550760), (4, 275380), (5, 220304), (7, 157360), (8, 137690), (10, 110152), (14, 78680), (16, 68845), (20, 55076), (28, 39340), (35, 31472), (40, 27538), (49, 22480), (56, 19670), (70, 15736), (80, 13769), (98, 11240), (112, 9835), (140, 7868), (196, 5620), (245, 4496), (280, 3934), (281, 3920), (392, 2810), (490, 2248), (560, 1967), (562, 1960), (784, 1405), (980, 1124)]