255889872

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 240

約数和(自身を含む): 891371520

約数和(自身を除く): 635481648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 31, 36, 38, 42, 48, 56, 57, 62, 63, 72, 76, 84, 93, 112, 114, 124, 126, 133, 144, 152, 168, 171, 186, 217, 228, 248, 252, 266, 279, 304, 336, 342, 372, 399, 431, 434, 456, 496, 504, 532, 558, 589, 651, 684, 744, 798, 862, 868, 912, 1008, 1064, 1116, 1178, 1197, 1293, 1302, 1368, 1488, 1596, 1724, 1736, 1767, 1953, 2128, 2232, 2356, 2394, 2586, 2604, 2736, 3017, 3192, 3448, 3472, 3534, 3879, 3906, 4123, 4464, 4712, 4788, 5172, 5208, 5301, 6034, 6384, 6896, 7068, 7758, 7812, 8189, 8246, 9051, 9424, 9576, 10344, 10416, 10602, 12068, 12369, 13361, 14136, 15516, 15624, 16378, 16492, 18102, 19152, 20688, 21204, 24136, 24567, 24738, 26722, 27153, 28272, 31032, 31248, 32756, 32984, 36204, 37107, 40083, 42408, 48272, 49134, 49476, 53444, 54306, 57323, 62064, 65512, 65968, 72408, 73701, 74214, 80166, 84816, 93527, 98268, 98952, 106888, 108612, 114646, 120249, 131024, 144816, 147402, 148428, 160332, 171969, 187054, 196536, 197904, 213776, 217224, 229292, 240498, 253859, 280581, 294804, 296856, 320664, 343938, 374108, 393072, 434448, 458584, 480996, 507718, 515907, 561162, 589608, 593712, 641328, 687876, 748216, 761577, 841743, 917168, 961992, 1015436, 1031814, 1122324, 1179216, 1375752, 1496432, 1523154, 1683486, 1777013, 1923984, 2030872, 2063628, 2244648, 2284731, 2751504, 3046308, 3366972, 3554026, 4061744, 4127256, 4489296, 4569462, 5331039, 6092616, 6733944, 7108052, 8254512, 9138924, 10662078, 12185232, 13467888, 14216104, 15993117, 18277848, 21324156, 28432208, 31986234, 36555696, 42648312, 63972468, 85296624, 127944936, 255889872]

約数ペア:

[(1, 255889872), (2, 127944936), (3, 85296624), (4, 63972468), (6, 42648312), (7, 36555696), (8, 31986234), (9, 28432208), (12, 21324156), (14, 18277848), (16, 15993117), (18, 14216104), (19, 13467888), (21, 12185232), (24, 10662078), (28, 9138924), (31, 8254512), (36, 7108052), (38, 6733944), (42, 6092616), (48, 5331039), (56, 4569462), (57, 4489296), (62, 4127256), (63, 4061744), (72, 3554026), (76, 3366972), (84, 3046308), (93, 2751504), (112, 2284731), (114, 2244648), (124, 2063628), (126, 2030872), (133, 1923984), (144, 1777013), (152, 1683486), (168, 1523154), (171, 1496432), (186, 1375752), (217, 1179216), (228, 1122324), (248, 1031814), (252, 1015436), (266, 961992), (279, 917168), (304, 841743), (336, 761577), (342, 748216), (372, 687876), (399, 641328), (431, 593712), (434, 589608), (456, 561162), (496, 515907), (504, 507718), (532, 480996), (558, 458584), (589, 434448), (651, 393072), (684, 374108), (744, 343938), (798, 320664), (862, 296856), (868, 294804), (912, 280581), (1008, 253859), (1064, 240498), (1116, 229292), (1178, 217224), (1197, 213776), (1293, 197904), (1302, 196536), (1368, 187054), (1488, 171969), (1596, 160332), (1724, 148428), (1736, 147402), (1767, 144816), (1953, 131024), (2128, 120249), (2232, 114646), (2356, 108612), (2394, 106888), (2586, 98952), (2604, 98268), (2736, 93527), (3017, 84816), (3192, 80166), (3448, 74214), (3472, 73701), (3534, 72408), (3879, 65968), (3906, 65512), (4123, 62064), (4464, 57323), (4712, 54306), (4788, 53444), (5172, 49476), (5208, 49134), (5301, 48272), (6034, 42408), (6384, 40083), (6896, 37107), (7068, 36204), (7758, 32984), (7812, 32756), (8189, 31248), (8246, 31032), (9051, 28272), (9424, 27153), (9576, 26722), (10344, 24738), (10416, 24567), (10602, 24136), (12068, 21204), (12369, 20688), (13361, 19152), (14136, 18102), (15516, 16492), (15624, 16378)]