256379904

素因数分解:

$2^{10}\times 3^4\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 220

約数和(自身を含む): 838172808

約数和(自身を除く): 581792904

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 81, 88, 96, 99, 108, 128, 132, 144, 162, 176, 192, 198, 216, 256, 264, 281, 288, 297, 324, 352, 384, 396, 432, 512, 528, 562, 576, 594, 648, 704, 768, 792, 843, 864, 891, 1024, 1056, 1124, 1152, 1188, 1296, 1408, 1536, 1584, 1686, 1728, 1782, 2112, 2248, 2304, 2376, 2529, 2592, 2816, 3072, 3091, 3168, 3372, 3456, 3564, 4224, 4496, 4608, 4752, 5058, 5184, 5632, 6182, 6336, 6744, 6912, 7128, 7587, 8448, 8992, 9216, 9273, 9504, 10116, 10368, 11264, 12364, 12672, 13488, 13824, 14256, 15174, 16896, 17984, 18546, 19008, 20232, 20736, 22761, 24728, 25344, 26976, 27648, 27819, 28512, 30348, 33792, 35968, 37092, 38016, 40464, 41472, 45522, 49456, 50688, 53952, 55638, 57024, 60696, 71936, 74184, 76032, 80928, 82944, 83457, 91044, 98912, 101376, 107904, 111276, 114048, 121392, 143872, 148368, 152064, 161856, 166914, 182088, 197824, 215808, 222552, 228096, 242784, 250371, 287744, 296736, 304128, 323712, 333828, 364176, 395648, 431616, 445104, 456192, 485568, 500742, 593472, 647424, 667656, 728352, 791296, 863232, 890208, 912384, 971136, 1001484, 1186944, 1294848, 1335312, 1456704, 1582592, 1780416, 1942272, 2002968, 2373888, 2589696, 2670624, 2913408, 3165184, 3560832, 3884544, 4005936, 4747776, 5341248, 5826816, 7121664, 7769088, 8011872, 9495552, 10682496, 11653632, 14243328, 16023744, 21364992, 23307264, 28486656, 32047488, 42729984, 64094976, 85459968, 128189952, 256379904]

約数ペア:

[(1, 256379904), (2, 128189952), (3, 85459968), (4, 64094976), (6, 42729984), (8, 32047488), (9, 28486656), (11, 23307264), (12, 21364992), (16, 16023744), (18, 14243328), (22, 11653632), (24, 10682496), (27, 9495552), (32, 8011872), (33, 7769088), (36, 7121664), (44, 5826816), (48, 5341248), (54, 4747776), (64, 4005936), (66, 3884544), (72, 3560832), (81, 3165184), (88, 2913408), (96, 2670624), (99, 2589696), (108, 2373888), (128, 2002968), (132, 1942272), (144, 1780416), (162, 1582592), (176, 1456704), (192, 1335312), (198, 1294848), (216, 1186944), (256, 1001484), (264, 971136), (281, 912384), (288, 890208), (297, 863232), (324, 791296), (352, 728352), (384, 667656), (396, 647424), (432, 593472), (512, 500742), (528, 485568), (562, 456192), (576, 445104), (594, 431616), (648, 395648), (704, 364176), (768, 333828), (792, 323712), (843, 304128), (864, 296736), (891, 287744), (1024, 250371), (1056, 242784), (1124, 228096), (1152, 222552), (1188, 215808), (1296, 197824), (1408, 182088), (1536, 166914), (1584, 161856), (1686, 152064), (1728, 148368), (1782, 143872), (2112, 121392), (2248, 114048), (2304, 111276), (2376, 107904), (2529, 101376), (2592, 98912), (2816, 91044), (3072, 83457), (3091, 82944), (3168, 80928), (3372, 76032), (3456, 74184), (3564, 71936), (4224, 60696), (4496, 57024), (4608, 55638), (4752, 53952), (5058, 50688), (5184, 49456), (5632, 45522), (6182, 41472), (6336, 40464), (6744, 38016), (6912, 37092), (7128, 35968), (7587, 33792), (8448, 30348), (8992, 28512), (9216, 27819), (9273, 27648), (9504, 26976), (10116, 25344), (10368, 24728), (11264, 22761), (12364, 20736), (12672, 20232), (13488, 19008), (13824, 18546), (14256, 17984), (15174, 16896)]