256885248

素因数分解:

$2^9\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 160

約数和(自身を含む): 726739200

約数和(自身を除く): 469853952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 73, 79, 87, 96, 116, 128, 146, 158, 174, 192, 219, 232, 237, 256, 292, 316, 348, 384, 438, 464, 474, 512, 584, 632, 696, 768, 876, 928, 948, 1168, 1264, 1392, 1536, 1752, 1856, 1896, 2117, 2291, 2336, 2528, 2784, 3504, 3712, 3792, 4234, 4582, 4672, 5056, 5568, 5767, 6351, 6873, 7008, 7424, 7584, 8468, 9164, 9344, 10112, 11136, 11534, 12702, 13746, 14016, 14848, 15168, 16936, 17301, 18328, 18688, 20224, 22272, 23068, 25404, 27492, 28032, 30336, 33872, 34602, 36656, 37376, 40448, 44544, 46136, 50808, 54984, 56064, 60672, 67744, 69204, 73312, 92272, 101616, 109968, 112128, 121344, 135488, 138408, 146624, 167243, 184544, 203232, 219936, 270976, 276816, 293248, 334486, 369088, 406464, 439872, 501729, 541952, 553632, 586496, 668972, 738176, 812928, 879744, 1003458, 1083904, 1107264, 1172992, 1337944, 1476352, 1625856, 1759488, 2006916, 2214528, 2675888, 2952704, 3251712, 3518976, 4013832, 4429056, 5351776, 8027664, 8858112, 10703552, 16055328, 21407104, 32110656, 42814208, 64221312, 85628416, 128442624, 256885248]

約数ペア:

[(1, 256885248), (2, 128442624), (3, 85628416), (4, 64221312), (6, 42814208), (8, 32110656), (12, 21407104), (16, 16055328), (24, 10703552), (29, 8858112), (32, 8027664), (48, 5351776), (58, 4429056), (64, 4013832), (73, 3518976), (79, 3251712), (87, 2952704), (96, 2675888), (116, 2214528), (128, 2006916), (146, 1759488), (158, 1625856), (174, 1476352), (192, 1337944), (219, 1172992), (232, 1107264), (237, 1083904), (256, 1003458), (292, 879744), (316, 812928), (348, 738176), (384, 668972), (438, 586496), (464, 553632), (474, 541952), (512, 501729), (584, 439872), (632, 406464), (696, 369088), (768, 334486), (876, 293248), (928, 276816), (948, 270976), (1168, 219936), (1264, 203232), (1392, 184544), (1536, 167243), (1752, 146624), (1856, 138408), (1896, 135488), (2117, 121344), (2291, 112128), (2336, 109968), (2528, 101616), (2784, 92272), (3504, 73312), (3712, 69204), (3792, 67744), (4234, 60672), (4582, 56064), (4672, 54984), (5056, 50808), (5568, 46136), (5767, 44544), (6351, 40448), (6873, 37376), (7008, 36656), (7424, 34602), (7584, 33872), (8468, 30336), (9164, 28032), (9344, 27492), (10112, 25404), (11136, 23068), (11534, 22272), (12702, 20224), (13746, 18688), (14016, 18328), (14848, 17301), (15168, 16936)]