3121760

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 7484400

約数和(自身を除く): 4362640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 179, 218, 358, 436, 545, 716, 872, 895, 1090, 1432, 1744, 1790, 2180, 2864, 3488, 3580, 4360, 5728, 7160, 8720, 14320, 17440, 19511, 28640, 39022, 78044, 97555, 156088, 195110, 312176, 390220, 624352, 780440, 1560880, 3121760]

約数ペア:

[(1, 3121760), (2, 1560880), (4, 780440), (5, 624352), (8, 390220), (10, 312176), (16, 195110), (20, 156088), (32, 97555), (40, 78044), (80, 39022), (109, 28640), (160, 19511), (179, 17440), (218, 14320), (358, 8720), (436, 7160), (545, 5728), (716, 4360), (872, 3580), (895, 3488), (1090, 2864), (1432, 2180), (1744, 1790)]