256561344

素因数分解:

$2^6\times 3^8\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:96

約数の個数: 252

約数和(自身を含む): 839870304

約数和(自身を除く): 583308960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 47, 48, 52, 54, 64, 72, 78, 81, 94, 96, 104, 108, 117, 141, 144, 156, 162, 188, 192, 208, 216, 234, 243, 282, 288, 312, 324, 351, 376, 416, 423, 432, 468, 486, 564, 576, 611, 624, 648, 702, 729, 752, 832, 846, 864, 936, 972, 1053, 1128, 1222, 1248, 1269, 1296, 1404, 1458, 1504, 1692, 1728, 1833, 1872, 1944, 2106, 2187, 2256, 2444, 2496, 2538, 2592, 2808, 2916, 3008, 3159, 3384, 3666, 3744, 3807, 3888, 4212, 4374, 4512, 4888, 5076, 5184, 5499, 5616, 5832, 6318, 6561, 6768, 7332, 7488, 7614, 7776, 8424, 8748, 9024, 9477, 9776, 10152, 10998, 11232, 11421, 11664, 12636, 13122, 13536, 14664, 15228, 15552, 16497, 16848, 17496, 18954, 19552, 20304, 21996, 22464, 22842, 23328, 25272, 26244, 27072, 28431, 29328, 30456, 32994, 33696, 34263, 34992, 37908, 39104, 40608, 43992, 45684, 46656, 49491, 50544, 52488, 56862, 58656, 60912, 65988, 67392, 68526, 69984, 75816, 81216, 85293, 87984, 91368, 98982, 101088, 102789, 104976, 113724, 117312, 121824, 131976, 137052, 139968, 148473, 151632, 170586, 175968, 182736, 197964, 202176, 205578, 209952, 227448, 243648, 263952, 274104, 296946, 303264, 308367, 341172, 351936, 365472, 395928, 411156, 419904, 445419, 454896, 527904, 548208, 593892, 606528, 616734, 682344, 730944, 791856, 822312, 890838, 909792, 1055808, 1096416, 1187784, 1233468, 1336257, 1364688, 1583712, 1644624, 1781676, 1819584, 2192832, 2375568, 2466936, 2672514, 2729376, 3167424, 3289248, 3563352, 4008771, 4751136, 4933872, 5345028, 5458752, 6578496, 7126704, 8017542, 9502272, 9867744, 10690056, 14253408, 16035084, 19735488, 21380112, 28506816, 32070168, 42760224, 64140336, 85520448, 128280672, 256561344]

約数ペア:

[(1, 256561344), (2, 128280672), (3, 85520448), (4, 64140336), (6, 42760224), (8, 32070168), (9, 28506816), (12, 21380112), (13, 19735488), (16, 16035084), (18, 14253408), (24, 10690056), (26, 9867744), (27, 9502272), (32, 8017542), (36, 7126704), (39, 6578496), (47, 5458752), (48, 5345028), (52, 4933872), (54, 4751136), (64, 4008771), (72, 3563352), (78, 3289248), (81, 3167424), (94, 2729376), (96, 2672514), (104, 2466936), (108, 2375568), (117, 2192832), (141, 1819584), (144, 1781676), (156, 1644624), (162, 1583712), (188, 1364688), (192, 1336257), (208, 1233468), (216, 1187784), (234, 1096416), (243, 1055808), (282, 909792), (288, 890838), (312, 822312), (324, 791856), (351, 730944), (376, 682344), (416, 616734), (423, 606528), (432, 593892), (468, 548208), (486, 527904), (564, 454896), (576, 445419), (611, 419904), (624, 411156), (648, 395928), (702, 365472), (729, 351936), (752, 341172), (832, 308367), (846, 303264), (864, 296946), (936, 274104), (972, 263952), (1053, 243648), (1128, 227448), (1222, 209952), (1248, 205578), (1269, 202176), (1296, 197964), (1404, 182736), (1458, 175968), (1504, 170586), (1692, 151632), (1728, 148473), (1833, 139968), (1872, 137052), (1944, 131976), (2106, 121824), (2187, 117312), (2256, 113724), (2444, 104976), (2496, 102789), (2538, 101088), (2592, 98982), (2808, 91368), (2916, 87984), (3008, 85293), (3159, 81216), (3384, 75816), (3666, 69984), (3744, 68526), (3807, 67392), (3888, 65988), (4212, 60912), (4374, 58656), (4512, 56862), (4888, 52488), (5076, 50544), (5184, 49491), (5499, 46656), (5616, 45684), (5832, 43992), (6318, 40608), (6561, 39104), (6768, 37908), (7332, 34992), (7488, 34263), (7614, 33696), (7776, 32994), (8424, 30456), (8748, 29328), (9024, 28431), (9477, 27072), (9776, 26244), (10152, 25272), (10998, 23328), (11232, 22842), (11421, 22464), (11664, 21996), (12636, 20304), (13122, 19552), (13536, 18954), (14664, 17496), (15228, 16848), (15552, 16497)]