321372128

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 144

約数和(自身を含む): 810819072

約数和(自身を除く): 489446944

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 71, 77, 88, 112, 121, 142, 154, 167, 176, 224, 242, 284, 308, 334, 352, 484, 497, 568, 616, 668, 781, 847, 968, 994, 1136, 1169, 1232, 1336, 1562, 1694, 1837, 1936, 1988, 2272, 2338, 2464, 2672, 3124, 3388, 3674, 3872, 3976, 4676, 5344, 5467, 6248, 6776, 7348, 7952, 8591, 9352, 10934, 11857, 12496, 12859, 13552, 14696, 15904, 17182, 18704, 20207, 21868, 23714, 24992, 25718, 27104, 29392, 34364, 37408, 40414, 43736, 47428, 51436, 58784, 60137, 68728, 80828, 82999, 87472, 94856, 102872, 120274, 130427, 137456, 141449, 161656, 165998, 174944, 189712, 205744, 240548, 260854, 274912, 282898, 323312, 331996, 379424, 411488, 481096, 521708, 565796, 646624, 663992, 912989, 962192, 1043416, 1131592, 1327984, 1434697, 1825978, 1924384, 2086832, 2263184, 2655968, 2869394, 3651956, 4173664, 4526368, 5738788, 7303912, 10042879, 11477576, 14607824, 20085758, 22955152, 29215648, 40171516, 45910304, 80343032, 160686064, 321372128]

約数ペア:

[(1, 321372128), (2, 160686064), (4, 80343032), (7, 45910304), (8, 40171516), (11, 29215648), (14, 22955152), (16, 20085758), (22, 14607824), (28, 11477576), (32, 10042879), (44, 7303912), (56, 5738788), (71, 4526368), (77, 4173664), (88, 3651956), (112, 2869394), (121, 2655968), (142, 2263184), (154, 2086832), (167, 1924384), (176, 1825978), (224, 1434697), (242, 1327984), (284, 1131592), (308, 1043416), (334, 962192), (352, 912989), (484, 663992), (497, 646624), (568, 565796), (616, 521708), (668, 481096), (781, 411488), (847, 379424), (968, 331996), (994, 323312), (1136, 282898), (1169, 274912), (1232, 260854), (1336, 240548), (1562, 205744), (1694, 189712), (1837, 174944), (1936, 165998), (1988, 161656), (2272, 141449), (2338, 137456), (2464, 130427), (2672, 120274), (3124, 102872), (3388, 94856), (3674, 87472), (3872, 82999), (3976, 80828), (4676, 68728), (5344, 60137), (5467, 58784), (6248, 51436), (6776, 47428), (7348, 43736), (7952, 40414), (8591, 37408), (9352, 34364), (10934, 29392), (11857, 27104), (12496, 25718), (12859, 24992), (13552, 23714), (14696, 21868), (15904, 20207), (17182, 18704)]