280521472

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 216

約数和(自身を含む): 754971840

約数和(自身を除く): 474450368

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 49, 56, 64, 76, 77, 88, 98, 107, 112, 128, 133, 152, 154, 176, 196, 209, 214, 224, 256, 266, 304, 308, 352, 392, 418, 428, 448, 532, 539, 608, 616, 704, 749, 784, 836, 856, 896, 931, 1064, 1078, 1177, 1216, 1232, 1408, 1463, 1498, 1568, 1672, 1712, 1792, 1862, 2033, 2128, 2156, 2354, 2432, 2464, 2816, 2926, 2996, 3136, 3344, 3424, 3724, 4066, 4256, 4312, 4708, 4864, 4928, 5243, 5852, 5992, 6272, 6688, 6848, 7448, 8132, 8239, 8512, 8624, 9416, 9856, 10241, 10486, 11704, 11984, 12544, 13376, 13696, 14231, 14896, 16264, 16478, 17024, 17248, 18832, 19712, 20482, 20972, 22363, 23408, 23968, 26752, 27392, 28462, 29792, 32528, 32956, 34048, 34496, 37664, 40964, 41944, 44726, 46816, 47936, 53504, 56924, 57673, 59584, 65056, 65912, 68992, 75328, 81928, 83888, 89452, 93632, 95872, 99617, 113848, 115346, 119168, 130112, 131824, 137984, 150656, 156541, 163856, 167776, 178904, 187264, 191744, 199234, 227696, 230692, 238336, 260224, 263648, 301312, 313082, 327712, 335552, 357808, 374528, 398468, 455392, 461384, 520448, 527296, 626164, 655424, 671104, 715616, 796936, 910784, 922768, 1054592, 1095787, 1252328, 1310848, 1342208, 1431232, 1593872, 1821568, 1845536, 2109184, 2191574, 2504656, 2621696, 2862464, 3187744, 3643136, 3691072, 4383148, 5009312, 5724928, 6375488, 7382144, 8766296, 10018624, 12750976, 14764288, 17532592, 20037248, 25501952, 35065184, 40074496, 70130368, 140260736, 280521472]

約数ペア:

[(1, 280521472), (2, 140260736), (4, 70130368), (7, 40074496), (8, 35065184), (11, 25501952), (14, 20037248), (16, 17532592), (19, 14764288), (22, 12750976), (28, 10018624), (32, 8766296), (38, 7382144), (44, 6375488), (49, 5724928), (56, 5009312), (64, 4383148), (76, 3691072), (77, 3643136), (88, 3187744), (98, 2862464), (107, 2621696), (112, 2504656), (128, 2191574), (133, 2109184), (152, 1845536), (154, 1821568), (176, 1593872), (196, 1431232), (209, 1342208), (214, 1310848), (224, 1252328), (256, 1095787), (266, 1054592), (304, 922768), (308, 910784), (352, 796936), (392, 715616), (418, 671104), (428, 655424), (448, 626164), (532, 527296), (539, 520448), (608, 461384), (616, 455392), (704, 398468), (749, 374528), (784, 357808), (836, 335552), (856, 327712), (896, 313082), (931, 301312), (1064, 263648), (1078, 260224), (1177, 238336), (1216, 230692), (1232, 227696), (1408, 199234), (1463, 191744), (1498, 187264), (1568, 178904), (1672, 167776), (1712, 163856), (1792, 156541), (1862, 150656), (2033, 137984), (2128, 131824), (2156, 130112), (2354, 119168), (2432, 115346), (2464, 113848), (2816, 99617), (2926, 95872), (2996, 93632), (3136, 89452), (3344, 83888), (3424, 81928), (3724, 75328), (4066, 68992), (4256, 65912), (4312, 65056), (4708, 59584), (4864, 57673), (4928, 56924), (5243, 53504), (5852, 47936), (5992, 46816), (6272, 44726), (6688, 41944), (6848, 40964), (7448, 37664), (8132, 34496), (8239, 34048), (8512, 32956), (8624, 32528), (9416, 29792), (9856, 28462), (10241, 27392), (10486, 26752), (11704, 23968), (11984, 23408), (12544, 22363), (13376, 20972), (13696, 20482), (14231, 19712), (14896, 18832), (16264, 17248), (16478, 17024)]