239998464

素因数分解:

$2^9\times 3^6\times {\mathrm{643}}^1$

素因数の和:679

約数の個数: 140

約数和(自身を含む): 720081516

約数和(自身を除く): 480083052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 486, 512, 576, 643, 648, 729, 768, 864, 972, 1152, 1286, 1296, 1458, 1536, 1728, 1929, 1944, 2304, 2572, 2592, 2916, 3456, 3858, 3888, 4608, 5144, 5184, 5787, 5832, 6912, 7716, 7776, 10288, 10368, 11574, 11664, 13824, 15432, 15552, 17361, 20576, 20736, 23148, 23328, 30864, 31104, 34722, 41152, 41472, 46296, 46656, 52083, 61728, 62208, 69444, 82304, 92592, 93312, 104166, 123456, 124416, 138888, 156249, 164608, 185184, 186624, 208332, 246912, 277776, 312498, 329216, 370368, 373248, 416664, 468747, 493824, 555552, 624996, 740736, 833328, 937494, 987648, 1111104, 1249992, 1481472, 1666656, 1874988, 2222208, 2499984, 2962944, 3333312, 3749976, 4444416, 4999968, 6666624, 7499952, 8888832, 9999936, 13333248, 14999904, 19999872, 26666496, 29999808, 39999744, 59999616, 79999488, 119999232, 239998464]

約数ペア:

[(1, 239998464), (2, 119999232), (3, 79999488), (4, 59999616), (6, 39999744), (8, 29999808), (9, 26666496), (12, 19999872), (16, 14999904), (18, 13333248), (24, 9999936), (27, 8888832), (32, 7499952), (36, 6666624), (48, 4999968), (54, 4444416), (64, 3749976), (72, 3333312), (81, 2962944), (96, 2499984), (108, 2222208), (128, 1874988), (144, 1666656), (162, 1481472), (192, 1249992), (216, 1111104), (243, 987648), (256, 937494), (288, 833328), (324, 740736), (384, 624996), (432, 555552), (486, 493824), (512, 468747), (576, 416664), (643, 373248), (648, 370368), (729, 329216), (768, 312498), (864, 277776), (972, 246912), (1152, 208332), (1286, 186624), (1296, 185184), (1458, 164608), (1536, 156249), (1728, 138888), (1929, 124416), (1944, 123456), (2304, 104166), (2572, 93312), (2592, 92592), (2916, 82304), (3456, 69444), (3858, 62208), (3888, 61728), (4608, 52083), (5144, 46656), (5184, 46296), (5787, 41472), (5832, 41152), (6912, 34722), (7716, 31104), (7776, 30864), (10288, 23328), (10368, 23148), (11574, 20736), (11664, 20576), (13824, 17361), (15432, 15552)]