256072.0000000

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:84

約数の個数: 96

約数和(自身を含む): 8953560

約数和(自身を除く): 5623640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 121, 128, 160, 172, 176, 215, 220, 242, 320, 344, 352, 430, 440, 473, 484, 605, 640, 688, 704, 860, 880, 946, 968, 1210, 1376, 1408, 1720, 1760, 1892, 1936, 2365, 2420, 2752, 3440, 3520, 3784, 3872, 4730, 4840, 5203, 5504, 6880, 7040, 7568, 7744, 9460, 9680, 10406, 13760, 15136, 15488, 18920, 19360, 20812, 26015, 27520, 30272, 37840, 38720, 41624, 52030, 60544, 75680, 77440, 83248, 104060, 151360, 166496, 208120, 302720, 332992, 416240, 665984, 832480, 1664960, 3329920]

約数ペア:

[(1, 3329920), (2, 1664960), (4, 832480), (5, 665984), (8, 416240), (10, 332992), (11, 302720), (16, 208120), (20, 166496), (22, 151360), (32, 104060), (40, 83248), (43, 77440), (44, 75680), (55, 60544), (64, 52030), (80, 41624), (86, 38720), (88, 37840), (110, 30272), (121, 27520), (128, 26015), (160, 20812), (172, 19360), (176, 18920), (215, 15488), (220, 15136), (242, 13760), (320, 10406), (344, 9680), (352, 9460), (430, 7744), (440, 7568), (473, 7040), (484, 6880), (605, 5504), (640, 5203), (688, 4840), (704, 4730), (860, 3872), (880, 3784), (946, 3520), (968, 3440), (1210, 2752), (1376, 2420), (1408, 2365), (1720, 1936), (1760, 1892)]