264240160

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:450

約数の個数: 96

約数和(自身を含む): 645321600

約数和(自身を除く): 381081440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 193, 199, 215, 344, 386, 398, 430, 688, 772, 796, 860, 965, 995, 1376, 1544, 1592, 1720, 1930, 1990, 3088, 3184, 3440, 3860, 3980, 6176, 6368, 6880, 7720, 7960, 8299, 8557, 15440, 15920, 16598, 17114, 30880, 31840, 33196, 34228, 38407, 41495, 42785, 66392, 68456, 76814, 82990, 85570, 132784, 136912, 153628, 165980, 171140, 192035, 265568, 273824, 307256, 331960, 342280, 384070, 614512, 663920, 684560, 768140, 1229024, 1327840, 1369120, 1536280, 1651501, 3072560, 3303002, 6145120, 6606004, 8257505, 13212008, 16515010, 26424016, 33030020, 52848032, 66060040, 132120080, 264240160]

約数ペア:

[(1, 264240160), (2, 132120080), (4, 66060040), (5, 52848032), (8, 33030020), (10, 26424016), (16, 16515010), (20, 13212008), (32, 8257505), (40, 6606004), (43, 6145120), (80, 3303002), (86, 3072560), (160, 1651501), (172, 1536280), (193, 1369120), (199, 1327840), (215, 1229024), (344, 768140), (386, 684560), (398, 663920), (430, 614512), (688, 384070), (772, 342280), (796, 331960), (860, 307256), (965, 273824), (995, 265568), (1376, 192035), (1544, 171140), (1592, 165980), (1720, 153628), (1930, 136912), (1990, 132784), (3088, 85570), (3184, 82990), (3440, 76814), (3860, 68456), (3980, 66392), (6176, 42785), (6368, 41495), (6880, 38407), (7720, 34228), (7960, 33196), (8299, 31840), (8557, 30880), (15440, 17114), (15920, 16598)]