256478592

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:524

約数の個数: 128

約数和(自身を含む): 730360800

約数和(自身を除く): 473882208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 101, 102, 128, 136, 192, 202, 204, 272, 303, 384, 389, 404, 408, 544, 606, 778, 808, 816, 1088, 1167, 1212, 1556, 1616, 1632, 1717, 2176, 2334, 2424, 3112, 3232, 3264, 3434, 4668, 4848, 5151, 6224, 6464, 6528, 6613, 6868, 9336, 9696, 10302, 12448, 12928, 13226, 13736, 18672, 19392, 19839, 20604, 24896, 26452, 27472, 37344, 38784, 39289, 39678, 41208, 49792, 52904, 54944, 74688, 78578, 79356, 82416, 105808, 109888, 117867, 149376, 157156, 158712, 164832, 211616, 219776, 235734, 314312, 317424, 329664, 423232, 471468, 628624, 634848, 659328, 667913, 846464, 942936, 1257248, 1269696, 1335826, 1885872, 2003739, 2514496, 2539392, 2671652, 3771744, 4007478, 5028992, 5343304, 7543488, 8014956, 10686608, 15086976, 16029912, 21373216, 32059824, 42746432, 64119648, 85492864, 128239296, 256478592]

約数ペア:

[(1, 256478592), (2, 128239296), (3, 85492864), (4, 64119648), (6, 42746432), (8, 32059824), (12, 21373216), (16, 16029912), (17, 15086976), (24, 10686608), (32, 8014956), (34, 7543488), (48, 5343304), (51, 5028992), (64, 4007478), (68, 3771744), (96, 2671652), (101, 2539392), (102, 2514496), (128, 2003739), (136, 1885872), (192, 1335826), (202, 1269696), (204, 1257248), (272, 942936), (303, 846464), (384, 667913), (389, 659328), (404, 634848), (408, 628624), (544, 471468), (606, 423232), (778, 329664), (808, 317424), (816, 314312), (1088, 235734), (1167, 219776), (1212, 211616), (1556, 164832), (1616, 158712), (1632, 157156), (1717, 149376), (2176, 117867), (2334, 109888), (2424, 105808), (3112, 82416), (3232, 79356), (3264, 78578), (3434, 74688), (4668, 54944), (4848, 52904), (5151, 49792), (6224, 41208), (6464, 39678), (6528, 39289), (6613, 38784), (6868, 37344), (9336, 27472), (9696, 26452), (10302, 24896), (12448, 20604), (12928, 19839), (13226, 19392), (13736, 18672)]