2520781312

素因数分解:

$2^9\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2503}}^1$

素因数の和:2809

約数の個数: 80

約数和(自身を含む): 5778951552

約数和(自身を除く): 3258170240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 281, 448, 512, 562, 896, 1124, 1792, 1967, 2248, 2503, 3584, 3934, 4496, 5006, 7868, 8992, 10012, 15736, 17521, 17984, 20024, 31472, 35042, 35968, 40048, 62944, 70084, 71936, 80096, 125888, 140168, 143872, 160192, 251776, 280336, 320384, 503552, 560672, 640768, 703343, 1007104, 1121344, 1281536, 1406686, 2242688, 2813372, 4485376, 4923401, 5626744, 8970752, 9846802, 11253488, 19693604, 22506976, 39387208, 45013952, 78774416, 90027904, 157548832, 180055808, 315097664, 360111616, 630195328, 1260390656, 2520781312]

約数ペア:

[(1, 2520781312), (2, 1260390656), (4, 630195328), (7, 360111616), (8, 315097664), (14, 180055808), (16, 157548832), (28, 90027904), (32, 78774416), (56, 45013952), (64, 39387208), (112, 22506976), (128, 19693604), (224, 11253488), (256, 9846802), (281, 8970752), (448, 5626744), (512, 4923401), (562, 4485376), (896, 2813372), (1124, 2242688), (1792, 1406686), (1967, 1281536), (2248, 1121344), (2503, 1007104), (3584, 703343), (3934, 640768), (4496, 560672), (5006, 503552), (7868, 320384), (8992, 280336), (10012, 251776), (15736, 160192), (17521, 143872), (17984, 140168), (20024, 125888), (31472, 80096), (35042, 71936), (35968, 70084), (40048, 62944)]