280866816

素因数分解:

$2^{12}\times 3^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:450

約数の個数: 156

約数和(自身を含む): 856123320

約数和(自身を除く): 575256504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 401, 456, 512, 576, 608, 684, 768, 802, 912, 1024, 1152, 1203, 1216, 1368, 1536, 1604, 1824, 2048, 2304, 2406, 2432, 2736, 3072, 3208, 3609, 3648, 4096, 4608, 4812, 4864, 5472, 6144, 6416, 7218, 7296, 7619, 9216, 9624, 9728, 10944, 12288, 12832, 14436, 14592, 15238, 18432, 19248, 19456, 21888, 22857, 25664, 28872, 29184, 30476, 36864, 38496, 38912, 43776, 45714, 51328, 57744, 58368, 60952, 68571, 76992, 77824, 87552, 91428, 102656, 115488, 116736, 121904, 137142, 153984, 175104, 182856, 205312, 230976, 233472, 243808, 274284, 307968, 350208, 365712, 410624, 461952, 487616, 548568, 615936, 700416, 731424, 821248, 923904, 975232, 1097136, 1231872, 1462848, 1642496, 1847808, 1950464, 2194272, 2463744, 2925696, 3695616, 3900928, 4388544, 4927488, 5851392, 7391232, 7801856, 8777088, 11702784, 14782464, 15603712, 17554176, 23405568, 31207424, 35108352, 46811136, 70216704, 93622272, 140433408, 280866816]

約数ペア:

[(1, 280866816), (2, 140433408), (3, 93622272), (4, 70216704), (6, 46811136), (8, 35108352), (9, 31207424), (12, 23405568), (16, 17554176), (18, 15603712), (19, 14782464), (24, 11702784), (32, 8777088), (36, 7801856), (38, 7391232), (48, 5851392), (57, 4927488), (64, 4388544), (72, 3900928), (76, 3695616), (96, 2925696), (114, 2463744), (128, 2194272), (144, 1950464), (152, 1847808), (171, 1642496), (192, 1462848), (228, 1231872), (256, 1097136), (288, 975232), (304, 923904), (342, 821248), (384, 731424), (401, 700416), (456, 615936), (512, 548568), (576, 487616), (608, 461952), (684, 410624), (768, 365712), (802, 350208), (912, 307968), (1024, 274284), (1152, 243808), (1203, 233472), (1216, 230976), (1368, 205312), (1536, 182856), (1604, 175104), (1824, 153984), (2048, 137142), (2304, 121904), (2406, 116736), (2432, 115488), (2736, 102656), (3072, 91428), (3208, 87552), (3609, 77824), (3648, 76992), (4096, 68571), (4608, 60952), (4812, 58368), (4864, 57744), (5472, 51328), (6144, 45714), (6416, 43776), (7218, 38912), (7296, 38496), (7619, 36864), (9216, 30476), (9624, 29184), (9728, 28872), (10944, 25664), (12288, 22857), (12832, 21888), (14436, 19456), (14592, 19248), (15238, 18432)]