1310736560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{3541}}^1$

素因数の和:4222

約数の個数: 80

約数和(自身を含む): 3489068352

約数和(自身を除く): 2178331792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 661, 1322, 2644, 3305, 3541, 4627, 5288, 6610, 7082, 9254, 10576, 13220, 14164, 17705, 18508, 23135, 24787, 26440, 28328, 35410, 37016, 46270, 49574, 52880, 56656, 70820, 74032, 92540, 99148, 123935, 141640, 185080, 198296, 247870, 283280, 370160, 396592, 495740, 991480, 1982960, 2340601, 4681202, 9362404, 11703005, 16384207, 18724808, 23406010, 32768414, 37449616, 46812020, 65536828, 81921035, 93624040, 131073656, 163842070, 187248080, 262147312, 327684140, 655368280, 1310736560]

約数ペア:

[(1, 1310736560), (2, 655368280), (4, 327684140), (5, 262147312), (7, 187248080), (8, 163842070), (10, 131073656), (14, 93624040), (16, 81921035), (20, 65536828), (28, 46812020), (35, 37449616), (40, 32768414), (56, 23406010), (70, 18724808), (80, 16384207), (112, 11703005), (140, 9362404), (280, 4681202), (560, 2340601), (661, 1982960), (1322, 991480), (2644, 495740), (3305, 396592), (3541, 370160), (4627, 283280), (5288, 247870), (6610, 198296), (7082, 185080), (9254, 141640), (10576, 123935), (13220, 99148), (14164, 92540), (17705, 74032), (18508, 70820), (23135, 56656), (24787, 52880), (26440, 49574), (28328, 46270), (35410, 37016)]