1539440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2749}}^1$

素因数の和:2769

約数の個数: 40

約数和(自身を含む): 4092000

約数和(自身を除く): 2552560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2749, 5498, 10996, 13745, 19243, 21992, 27490, 38486, 43984, 54980, 76972, 96215, 109960, 153944, 192430, 219920, 307888, 384860, 769720, 1539440]

約数ペア:

[(1, 1539440), (2, 769720), (4, 384860), (5, 307888), (7, 219920), (8, 192430), (10, 153944), (14, 109960), (16, 96215), (20, 76972), (28, 54980), (35, 43984), (40, 38486), (56, 27490), (70, 21992), (80, 19243), (112, 13745), (140, 10996), (280, 5498), (560, 2749)]