256771584

素因数分解:

$2^9\times 3^2\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:668

約数の個数: 120

約数和(自身を含む): 749638032

約数和(自身を除く): 492866448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 103, 128, 144, 192, 206, 256, 288, 309, 384, 412, 512, 541, 576, 618, 768, 824, 927, 1082, 1152, 1236, 1536, 1623, 1648, 1854, 2164, 2304, 2472, 3246, 3296, 3708, 4328, 4608, 4869, 4944, 6492, 6592, 7416, 8656, 9738, 9888, 12984, 13184, 14832, 17312, 19476, 19776, 25968, 26368, 29664, 34624, 38952, 39552, 51936, 52736, 55723, 59328, 69248, 77904, 79104, 103872, 111446, 118656, 138496, 155808, 158208, 167169, 207744, 222892, 237312, 276992, 311616, 334338, 415488, 445784, 474624, 501507, 623232, 668676, 830976, 891568, 1003014, 1246464, 1337352, 1783136, 2006028, 2492928, 2674704, 3566272, 4012056, 5349408, 7132544, 8024112, 10698816, 14265088, 16048224, 21397632, 28530176, 32096448, 42795264, 64192896, 85590528, 128385792, 256771584]

約数ペア:

[(1, 256771584), (2, 128385792), (3, 85590528), (4, 64192896), (6, 42795264), (8, 32096448), (9, 28530176), (12, 21397632), (16, 16048224), (18, 14265088), (24, 10698816), (32, 8024112), (36, 7132544), (48, 5349408), (64, 4012056), (72, 3566272), (96, 2674704), (103, 2492928), (128, 2006028), (144, 1783136), (192, 1337352), (206, 1246464), (256, 1003014), (288, 891568), (309, 830976), (384, 668676), (412, 623232), (512, 501507), (541, 474624), (576, 445784), (618, 415488), (768, 334338), (824, 311616), (927, 276992), (1082, 237312), (1152, 222892), (1236, 207744), (1536, 167169), (1623, 158208), (1648, 155808), (1854, 138496), (2164, 118656), (2304, 111446), (2472, 103872), (3246, 79104), (3296, 77904), (3708, 69248), (4328, 59328), (4608, 55723), (4869, 52736), (4944, 51936), (6492, 39552), (6592, 38952), (7416, 34624), (8656, 29664), (9738, 26368), (9888, 25968), (12984, 19776), (13184, 19476), (14832, 17312)]