64919680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 182033280

約数和(自身を除く): 117113600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 280, 301, 320, 337, 344, 430, 448, 560, 602, 640, 674, 688, 860, 896, 1120, 1204, 1348, 1376, 1505, 1685, 1720, 2240, 2359, 2408, 2696, 2752, 3010, 3370, 3440, 4480, 4718, 4816, 5392, 5504, 6020, 6740, 6880, 9436, 9632, 10784, 11795, 12040, 13480, 13760, 14491, 18872, 19264, 21568, 23590, 24080, 26960, 27520, 28982, 37744, 38528, 43136, 47180, 48160, 53920, 57964, 72455, 75488, 94360, 96320, 101437, 107840, 115928, 144910, 150976, 188720, 192640, 202874, 215680, 231856, 289820, 301952, 377440, 405748, 463712, 507185, 579640, 754880, 811496, 927424, 1014370, 1159280, 1509760, 1622992, 1854848, 2028740, 2318560, 3245984, 4057480, 4637120, 6491968, 8114960, 9274240, 12983936, 16229920, 32459840, 64919680]

約数ペア:

[(1, 64919680), (2, 32459840), (4, 16229920), (5, 12983936), (7, 9274240), (8, 8114960), (10, 6491968), (14, 4637120), (16, 4057480), (20, 3245984), (28, 2318560), (32, 2028740), (35, 1854848), (40, 1622992), (43, 1509760), (56, 1159280), (64, 1014370), (70, 927424), (80, 811496), (86, 754880), (112, 579640), (128, 507185), (140, 463712), (160, 405748), (172, 377440), (215, 301952), (224, 289820), (280, 231856), (301, 215680), (320, 202874), (337, 192640), (344, 188720), (430, 150976), (448, 144910), (560, 115928), (602, 107840), (640, 101437), (674, 96320), (688, 94360), (860, 75488), (896, 72455), (1120, 57964), (1204, 53920), (1348, 48160), (1376, 47180), (1505, 43136), (1685, 38528), (1720, 37744), (2240, 28982), (2359, 27520), (2408, 26960), (2696, 24080), (2752, 23590), (3010, 21568), (3370, 19264), (3440, 18872), (4480, 14491), (4718, 13760), (4816, 13480), (5392, 12040), (5504, 11795), (6020, 10784), (6740, 9632), (6880, 9436)]