30990880

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1777}}^1$

素因数の和:1901

約数の個数: 48

約数和(自身を含む): 73929240

約数和(自身を除く): 42938360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 1777, 2180, 3488, 3554, 4360, 7108, 8720, 8885, 14216, 17440, 17770, 28432, 35540, 56864, 71080, 142160, 193693, 284320, 387386, 774772, 968465, 1549544, 1936930, 3099088, 3873860, 6198176, 7747720, 15495440, 30990880]

約数ペア:

[(1, 30990880), (2, 15495440), (4, 7747720), (5, 6198176), (8, 3873860), (10, 3099088), (16, 1936930), (20, 1549544), (32, 968465), (40, 774772), (80, 387386), (109, 284320), (160, 193693), (218, 142160), (436, 71080), (545, 56864), (872, 35540), (1090, 28432), (1744, 17770), (1777, 17440), (2180, 14216), (3488, 8885), (3554, 8720), (4360, 7108)]