15551480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55541}}^1$

素因数の和:55559

約数の個数: 32

約数和(自身を含む): 39990240

約数和(自身を除く): 24438760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55541, 111082, 222164, 277705, 388787, 444328, 555410, 777574, 1110820, 1555148, 1943935, 2221640, 3110296, 3887870, 7775740, 15551480]

約数ペア:

[(1, 15551480), (2, 7775740), (4, 3887870), (5, 3110296), (7, 2221640), (8, 1943935), (10, 1555148), (14, 1110820), (20, 777574), (28, 555410), (35, 444328), (40, 388787), (56, 277705), (70, 222164), (140, 111082), (280, 55541)]