1319120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1499}}^1$

素因数の和:1523

約数の個数: 40

約数和(自身を含む): 3348000

約数和(自身を除く): 2028880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1499, 2998, 5996, 7495, 11992, 14990, 16489, 23984, 29980, 32978, 59960, 65956, 82445, 119920, 131912, 164890, 263824, 329780, 659560, 1319120]

約数ペア:

[(1, 1319120), (2, 659560), (4, 329780), (5, 263824), (8, 164890), (10, 131912), (11, 119920), (16, 82445), (20, 65956), (22, 59960), (40, 32978), (44, 29980), (55, 23984), (80, 16489), (88, 14990), (110, 11992), (176, 7495), (220, 5996), (440, 2998), (880, 1499)]