15540280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55501}}^1$

素因数の和:55519

約数の個数: 32

約数和(自身を含む): 39961440

約数和(自身を除く): 24421160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55501, 111002, 222004, 277505, 388507, 444008, 555010, 777014, 1110020, 1554028, 1942535, 2220040, 3108056, 3885070, 7770140, 15540280]

約数ペア:

[(1, 15540280), (2, 7770140), (4, 3885070), (5, 3108056), (7, 2220040), (8, 1942535), (10, 1554028), (14, 1110020), (20, 777014), (28, 555010), (35, 444008), (40, 388507), (56, 277505), (70, 222004), (140, 111002), (280, 55501)]