2743840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1559}}^1$

素因数の和:1585

約数の個数: 48

約数和(自身を含む): 7076160

約数和(自身を除く): 4332320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1559, 1760, 3118, 6236, 7795, 12472, 15590, 17149, 24944, 31180, 34298, 49888, 62360, 68596, 85745, 124720, 137192, 171490, 249440, 274384, 342980, 548768, 685960, 1371920, 2743840]

約数ペア:

[(1, 2743840), (2, 1371920), (4, 685960), (5, 548768), (8, 342980), (10, 274384), (11, 249440), (16, 171490), (20, 137192), (22, 124720), (32, 85745), (40, 68596), (44, 62360), (55, 49888), (80, 34298), (88, 31180), (110, 24944), (160, 17149), (176, 15590), (220, 12472), (352, 7795), (440, 6236), (880, 3118), (1559, 1760)]