161963712

素因数分解:

$2^6\times 3^4\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 140

約数和(自身を含む): 485597200

約数和(自身を除く): 323633488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 157, 162, 192, 199, 216, 288, 314, 324, 398, 432, 471, 576, 597, 628, 648, 796, 864, 942, 1194, 1256, 1296, 1413, 1592, 1728, 1791, 1884, 2388, 2512, 2592, 2826, 3184, 3582, 3768, 4239, 4776, 5024, 5184, 5373, 5652, 6368, 7164, 7536, 8478, 9552, 10048, 10746, 11304, 12717, 12736, 14328, 15072, 16119, 16956, 19104, 21492, 22608, 25434, 28656, 30144, 31243, 32238, 33912, 38208, 42984, 45216, 50868, 57312, 62486, 64476, 67824, 85968, 90432, 93729, 101736, 114624, 124972, 128952, 135648, 171936, 187458, 203472, 249944, 257904, 271296, 281187, 343872, 374916, 406944, 499888, 515808, 562374, 749832, 813888, 843561, 999776, 1031616, 1124748, 1499664, 1687122, 1999552, 2249496, 2530683, 2999328, 3374244, 4498992, 5061366, 5998656, 6748488, 8997984, 10122732, 13496976, 17995968, 20245464, 26993952, 40490928, 53987904, 80981856, 161963712]

約数ペア:

[(1, 161963712), (2, 80981856), (3, 53987904), (4, 40490928), (6, 26993952), (8, 20245464), (9, 17995968), (12, 13496976), (16, 10122732), (18, 8997984), (24, 6748488), (27, 5998656), (32, 5061366), (36, 4498992), (48, 3374244), (54, 2999328), (64, 2530683), (72, 2249496), (81, 1999552), (96, 1687122), (108, 1499664), (144, 1124748), (157, 1031616), (162, 999776), (192, 843561), (199, 813888), (216, 749832), (288, 562374), (314, 515808), (324, 499888), (398, 406944), (432, 374916), (471, 343872), (576, 281187), (597, 271296), (628, 257904), (648, 249944), (796, 203472), (864, 187458), (942, 171936), (1194, 135648), (1256, 128952), (1296, 124972), (1413, 114624), (1592, 101736), (1728, 93729), (1791, 90432), (1884, 85968), (2388, 67824), (2512, 64476), (2592, 62486), (2826, 57312), (3184, 50868), (3582, 45216), (3768, 42984), (4239, 38208), (4776, 33912), (5024, 32238), (5184, 31243), (5373, 30144), (5652, 28656), (6368, 25434), (7164, 22608), (7536, 21492), (8478, 19104), (9552, 16956), (10048, 16119), (10746, 15072), (11304, 14328), (12717, 12736)]