1280591872

素因数分解:

$2^{11}\times 7^3\times {\mathrm{1823}}^1$

素因数の和:1866

約数の個数: 96

約数和(自身を含む): 2987712000

約数和(自身を除く): 1707120128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 896, 1024, 1372, 1568, 1792, 1823, 2048, 2744, 3136, 3584, 3646, 5488, 6272, 7168, 7292, 10976, 12544, 12761, 14336, 14584, 21952, 25088, 25522, 29168, 43904, 50176, 51044, 58336, 87808, 89327, 100352, 102088, 116672, 175616, 178654, 204176, 233344, 351232, 357308, 408352, 466688, 625289, 702464, 714616, 816704, 933376, 1250578, 1429232, 1633408, 1866752, 2501156, 2858464, 3266816, 3733504, 5002312, 5716928, 6533632, 10004624, 11433856, 13067264, 20009248, 22867712, 26134528, 40018496, 45735424, 80036992, 91470848, 160073984, 182941696, 320147968, 640295936, 1280591872]

約数ペア:

[(1, 1280591872), (2, 640295936), (4, 320147968), (7, 182941696), (8, 160073984), (14, 91470848), (16, 80036992), (28, 45735424), (32, 40018496), (49, 26134528), (56, 22867712), (64, 20009248), (98, 13067264), (112, 11433856), (128, 10004624), (196, 6533632), (224, 5716928), (256, 5002312), (343, 3733504), (392, 3266816), (448, 2858464), (512, 2501156), (686, 1866752), (784, 1633408), (896, 1429232), (1024, 1250578), (1372, 933376), (1568, 816704), (1792, 714616), (1823, 702464), (2048, 625289), (2744, 466688), (3136, 408352), (3584, 357308), (3646, 351232), (5488, 233344), (6272, 204176), (7168, 178654), (7292, 175616), (10976, 116672), (12544, 102088), (12761, 100352), (14336, 89327), (14584, 87808), (21952, 58336), (25088, 51044), (25522, 50176), (29168, 43904)]