80981856

素因数分解:

$2^5\times 3^4\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 120

約数和(自身を含む): 240886800

約数和(自身を除く): 159904944

約数列:

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

約数ペア:

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