642757248

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{163}}^2$

素因数の和:356

約数の個数: 192

約数和(自身を含む): 2181412800

約数和(自身を除く): 1538655552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 163, 168, 189, 192, 216, 224, 252, 288, 326, 336, 378, 384, 432, 448, 489, 504, 576, 652, 672, 756, 864, 896, 978, 1008, 1141, 1152, 1304, 1344, 1467, 1512, 1728, 1956, 2016, 2282, 2608, 2688, 2934, 3024, 3423, 3456, 3912, 4032, 4401, 4564, 5216, 5868, 6048, 6846, 7824, 8064, 8802, 9128, 10269, 10432, 11736, 12096, 13692, 15648, 17604, 18256, 20538, 20864, 23472, 24192, 26569, 27384, 30807, 31296, 35208, 36512, 41076, 46944, 53138, 54768, 61614, 62592, 70416, 73024, 79707, 82152, 93888, 106276, 109536, 123228, 140832, 146048, 159414, 164304, 185983, 187776, 212552, 219072, 239121, 246456, 281664, 318828, 328608, 371966, 425104, 438144, 478242, 492912, 557949, 563328, 637656, 657216, 717363, 743932, 850208, 956484, 985824, 1115898, 1275312, 1314432, 1434726, 1487864, 1673847, 1700416, 1912968, 1971648, 2231796, 2550624, 2869452, 2975728, 3347694, 3400832, 3825936, 3943296, 4463592, 5021541, 5101248, 5738904, 5951456, 6695388, 7651872, 8927184, 10043082, 10202496, 11477808, 11902912, 13390776, 15303744, 17854368, 20086164, 22955616, 23805824, 26781552, 30607488, 35708736, 40172328, 45911232, 53563104, 71417472, 80344656, 91822464, 107126208, 160689312, 214252416, 321378624, 642757248]

約数ペア:

[(1, 642757248), (2, 321378624), (3, 214252416), (4, 160689312), (6, 107126208), (7, 91822464), (8, 80344656), (9, 71417472), (12, 53563104), (14, 45911232), (16, 40172328), (18, 35708736), (21, 30607488), (24, 26781552), (27, 23805824), (28, 22955616), (32, 20086164), (36, 17854368), (42, 15303744), (48, 13390776), (54, 11902912), (56, 11477808), (63, 10202496), (64, 10043082), (72, 8927184), (84, 7651872), (96, 6695388), (108, 5951456), (112, 5738904), (126, 5101248), (128, 5021541), (144, 4463592), (163, 3943296), (168, 3825936), (189, 3400832), (192, 3347694), (216, 2975728), (224, 2869452), (252, 2550624), (288, 2231796), (326, 1971648), (336, 1912968), (378, 1700416), (384, 1673847), (432, 1487864), (448, 1434726), (489, 1314432), (504, 1275312), (576, 1115898), (652, 985824), (672, 956484), (756, 850208), (864, 743932), (896, 717363), (978, 657216), (1008, 637656), (1141, 563328), (1152, 557949), (1304, 492912), (1344, 478242), (1467, 438144), (1512, 425104), (1728, 371966), (1956, 328608), (2016, 318828), (2282, 281664), (2608, 246456), (2688, 239121), (2934, 219072), (3024, 212552), (3423, 187776), (3456, 185983), (3912, 164304), (4032, 159414), (4401, 146048), (4564, 140832), (5216, 123228), (5868, 109536), (6048, 106276), (6846, 93888), (7824, 82152), (8064, 79707), (8802, 73024), (9128, 70416), (10269, 62592), (10432, 61614), (11736, 54768), (12096, 53138), (13692, 46944), (15648, 41076), (17604, 36512), (18256, 35208), (20538, 31296), (20864, 30807), (23472, 27384), (24192, 26569)]