309255680

素因数分解:

$2^9\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1129}}^1$

素因数の和:1259

約数の個数: 80

約数和(自身を含む): 749081520

約数和(自身を除く): 439825840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 512, 535, 640, 856, 1070, 1129, 1280, 1712, 2140, 2258, 2560, 3424, 4280, 4516, 5645, 6848, 8560, 9032, 11290, 13696, 17120, 18064, 22580, 27392, 34240, 36128, 45160, 54784, 68480, 72256, 90320, 120803, 136960, 144512, 180640, 241606, 273920, 289024, 361280, 483212, 578048, 604015, 722560, 966424, 1208030, 1445120, 1932848, 2416060, 2890240, 3865696, 4832120, 7731392, 9664240, 15462784, 19328480, 30925568, 38656960, 61851136, 77313920, 154627840, 309255680]

約数ペア:

[(1, 309255680), (2, 154627840), (4, 77313920), (5, 61851136), (8, 38656960), (10, 30925568), (16, 19328480), (20, 15462784), (32, 9664240), (40, 7731392), (64, 4832120), (80, 3865696), (107, 2890240), (128, 2416060), (160, 1932848), (214, 1445120), (256, 1208030), (320, 966424), (428, 722560), (512, 604015), (535, 578048), (640, 483212), (856, 361280), (1070, 289024), (1129, 273920), (1280, 241606), (1712, 180640), (2140, 144512), (2258, 136960), (2560, 120803), (3424, 90320), (4280, 72256), (4516, 68480), (5645, 54784), (6848, 45160), (8560, 36128), (9032, 34240), (11290, 27392), (13696, 22580), (17120, 18064)]