2557100820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{107351}}^1$

素因数の和:107760

約数の個数: 48

約数和(自身を含む): 7177984128

約数和(自身を除く): 4620883308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 794, 1191, 1588, 1985, 2382, 3970, 4764, 5955, 7940, 11910, 23820, 107351, 214702, 322053, 429404, 536755, 644106, 1073510, 1288212, 1610265, 2147020, 3220530, 6441060, 42618347, 85236694, 127855041, 170473388, 213091735, 255710082, 426183470, 511420164, 639275205, 852366940, 1278550410, 2557100820]

約数ペア:

[(1, 2557100820), (2, 1278550410), (3, 852366940), (4, 639275205), (5, 511420164), (6, 426183470), (10, 255710082), (12, 213091735), (15, 170473388), (20, 127855041), (30, 85236694), (60, 42618347), (397, 6441060), (794, 3220530), (1191, 2147020), (1588, 1610265), (1985, 1288212), (2382, 1073510), (3970, 644106), (4764, 536755), (5955, 429404), (7940, 322053), (11910, 214702), (23820, 107351)]