256008168

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 256

約数和(自身を含む): 841881600

約数和(自身を除く): 585873432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 27, 31, 34, 36, 39, 51, 52, 54, 62, 68, 72, 78, 93, 102, 104, 108, 117, 124, 136, 153, 156, 173, 186, 204, 216, 221, 234, 248, 279, 306, 312, 346, 351, 372, 403, 408, 442, 459, 468, 519, 527, 558, 612, 663, 692, 702, 744, 806, 837, 884, 918, 936, 1038, 1054, 1116, 1209, 1224, 1326, 1384, 1404, 1557, 1581, 1612, 1674, 1768, 1836, 1989, 2076, 2108, 2232, 2249, 2418, 2652, 2808, 2941, 3114, 3162, 3224, 3348, 3627, 3672, 3978, 4152, 4216, 4498, 4671, 4743, 4836, 5304, 5363, 5882, 5967, 6228, 6324, 6696, 6747, 6851, 7254, 7956, 8823, 8996, 9342, 9486, 9672, 10726, 10881, 11764, 11934, 12456, 12648, 13494, 13702, 14229, 14508, 15912, 16089, 17646, 17992, 18684, 18972, 20241, 20553, 21452, 21762, 23528, 23868, 26469, 26988, 27404, 28458, 29016, 32178, 35292, 37368, 37944, 38233, 40482, 41106, 42904, 43524, 47736, 48267, 52938, 53976, 54808, 56916, 60723, 61659, 64356, 69719, 70584, 76466, 79407, 80964, 82212, 87048, 91171, 96534, 105876, 113832, 114699, 121446, 123318, 128712, 139438, 144801, 152932, 158814, 161928, 164424, 182342, 184977, 193068, 209157, 211752, 229398, 242892, 246636, 273513, 278876, 289602, 305864, 317628, 344097, 364684, 369954, 386136, 418314, 458796, 485784, 493272, 547026, 557752, 579204, 627471, 635256, 688194, 729368, 739908, 820539, 836628, 917592, 1032291, 1094052, 1158408, 1185223, 1254942, 1376388, 1479816, 1641078, 1673256, 1882413, 2064582, 2188104, 2370446, 2461617, 2509884, 2752776, 3282156, 3555669, 3764826, 4129164, 4740892, 4923234, 5019768, 6564312, 7111338, 7529652, 8258328, 9481784, 9846468, 10667007, 14222676, 15059304, 19692936, 21334014, 28445352, 32001021, 42668028, 64002042, 85336056, 128004084, 256008168]

約数ペア:

[(1, 256008168), (2, 128004084), (3, 85336056), (4, 64002042), (6, 42668028), (8, 32001021), (9, 28445352), (12, 21334014), (13, 19692936), (17, 15059304), (18, 14222676), (24, 10667007), (26, 9846468), (27, 9481784), (31, 8258328), (34, 7529652), (36, 7111338), (39, 6564312), (51, 5019768), (52, 4923234), (54, 4740892), (62, 4129164), (68, 3764826), (72, 3555669), (78, 3282156), (93, 2752776), (102, 2509884), (104, 2461617), (108, 2370446), (117, 2188104), (124, 2064582), (136, 1882413), (153, 1673256), (156, 1641078), (173, 1479816), (186, 1376388), (204, 1254942), (216, 1185223), (221, 1158408), (234, 1094052), (248, 1032291), (279, 917592), (306, 836628), (312, 820539), (346, 739908), (351, 729368), (372, 688194), (403, 635256), (408, 627471), (442, 579204), (459, 557752), (468, 547026), (519, 493272), (527, 485784), (558, 458796), (612, 418314), (663, 386136), (692, 369954), (702, 364684), (744, 344097), (806, 317628), (837, 305864), (884, 289602), (918, 278876), (936, 273513), (1038, 246636), (1054, 242892), (1116, 229398), (1209, 211752), (1224, 209157), (1326, 193068), (1384, 184977), (1404, 182342), (1557, 164424), (1581, 161928), (1612, 158814), (1674, 152932), (1768, 144801), (1836, 139438), (1989, 128712), (2076, 123318), (2108, 121446), (2232, 114699), (2249, 113832), (2418, 105876), (2652, 96534), (2808, 91171), (2941, 87048), (3114, 82212), (3162, 80964), (3224, 79407), (3348, 76466), (3627, 70584), (3672, 69719), (3978, 64356), (4152, 61659), (4216, 60723), (4498, 56916), (4671, 54808), (4743, 53976), (4836, 52938), (5304, 48267), (5363, 47736), (5882, 43524), (5967, 42904), (6228, 41106), (6324, 40482), (6696, 38233), (6747, 37944), (6851, 37368), (7254, 35292), (7956, 32178), (8823, 29016), (8996, 28458), (9342, 27404), (9486, 26988), (9672, 26469), (10726, 23868), (10881, 23528), (11764, 21762), (11934, 21452), (12456, 20553), (12648, 20241), (13494, 18972), (13702, 18684), (14229, 17992), (14508, 17646), (15912, 16089)]