307510720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:666

約数の個数: 112

約数和(自身を含む): 804672000

約数和(自身を除く): 497161280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 199, 220, 320, 352, 398, 439, 440, 704, 796, 878, 880, 995, 1592, 1756, 1760, 1990, 2189, 2195, 3184, 3512, 3520, 3980, 4378, 4390, 4829, 6368, 7024, 7960, 8756, 8780, 9658, 10945, 12736, 14048, 15920, 17512, 17560, 19316, 21890, 24145, 28096, 31840, 35024, 35120, 38632, 43780, 48290, 63680, 70048, 70240, 77264, 87361, 87560, 96580, 140096, 140480, 154528, 174722, 175120, 193160, 309056, 349444, 350240, 386320, 436805, 698888, 700480, 772640, 873610, 960971, 1397776, 1545280, 1747220, 1921942, 2795552, 3494440, 3843884, 4804855, 5591104, 6988880, 7687768, 9609710, 13977760, 15375536, 19219420, 27955520, 30751072, 38438840, 61502144, 76877680, 153755360, 307510720]

約数ペア:

[(1, 307510720), (2, 153755360), (4, 76877680), (5, 61502144), (8, 38438840), (10, 30751072), (11, 27955520), (16, 19219420), (20, 15375536), (22, 13977760), (32, 9609710), (40, 7687768), (44, 6988880), (55, 5591104), (64, 4804855), (80, 3843884), (88, 3494440), (110, 2795552), (160, 1921942), (176, 1747220), (199, 1545280), (220, 1397776), (320, 960971), (352, 873610), (398, 772640), (439, 700480), (440, 698888), (704, 436805), (796, 386320), (878, 350240), (880, 349444), (995, 309056), (1592, 193160), (1756, 175120), (1760, 174722), (1990, 154528), (2189, 140480), (2195, 140096), (3184, 96580), (3512, 87560), (3520, 87361), (3980, 77264), (4378, 70240), (4390, 70048), (4829, 63680), (6368, 48290), (7024, 43780), (7960, 38632), (8756, 35120), (8780, 35024), (9658, 31840), (10945, 28096), (12736, 24145), (14048, 21890), (15920, 19316), (17512, 17560)]