256229136

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 816376320

約数和(自身を除く): 560147184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 36, 38, 48, 53, 54, 57, 62, 72, 76, 93, 106, 108, 114, 124, 144, 152, 159, 171, 186, 212, 216, 228, 248, 279, 304, 318, 342, 361, 372, 424, 432, 456, 477, 496, 513, 558, 589, 636, 684, 722, 744, 837, 848, 912, 954, 1007, 1026, 1083, 1116, 1178, 1272, 1368, 1431, 1444, 1488, 1643, 1674, 1767, 1908, 2014, 2052, 2166, 2232, 2356, 2544, 2736, 2862, 2888, 3021, 3249, 3286, 3348, 3534, 3816, 4028, 4104, 4332, 4464, 4712, 4929, 5301, 5724, 5776, 6042, 6498, 6572, 6696, 7068, 7632, 8056, 8208, 8664, 9063, 9424, 9747, 9858, 10602, 11191, 11448, 12084, 12996, 13144, 13392, 14136, 14787, 15903, 16112, 17328, 18126, 19133, 19494, 19716, 21204, 22382, 22896, 24168, 25992, 26288, 27189, 28272, 29574, 31217, 31806, 33573, 36252, 38266, 38988, 39432, 42408, 44361, 44764, 48336, 51984, 54378, 57399, 59148, 62434, 63612, 67146, 72504, 76532, 77976, 78864, 84816, 88722, 89528, 93651, 100719, 108756, 114798, 118296, 124868, 127224, 134292, 145008, 153064, 155952, 172197, 177444, 179056, 187302, 201438, 217512, 229596, 236592, 249736, 254448, 268584, 280953, 302157, 306128, 344394, 354888, 374604, 402876, 435024, 459192, 499472, 516591, 537168, 561906, 593123, 604314, 688788, 709776, 749208, 805752, 842859, 918384, 1033182, 1123812, 1186246, 1208628, 1377576, 1498416, 1611504, 1685718, 1779369, 2066364, 2247624, 2372492, 2417256, 2755152, 3371436, 3558738, 4132728, 4495248, 4744984, 4834512, 5338107, 6742872, 7117476, 8265456, 9489968, 10676214, 13485744, 14234952, 16014321, 21352428, 28469904, 32028642, 42704856, 64057284, 85409712, 128114568, 256229136]

約数ペア:

[(1, 256229136), (2, 128114568), (3, 85409712), (4, 64057284), (6, 42704856), (8, 32028642), (9, 28469904), (12, 21352428), (16, 16014321), (18, 14234952), (19, 13485744), (24, 10676214), (27, 9489968), (31, 8265456), (36, 7117476), (38, 6742872), (48, 5338107), (53, 4834512), (54, 4744984), (57, 4495248), (62, 4132728), (72, 3558738), (76, 3371436), (93, 2755152), (106, 2417256), (108, 2372492), (114, 2247624), (124, 2066364), (144, 1779369), (152, 1685718), (159, 1611504), (171, 1498416), (186, 1377576), (212, 1208628), (216, 1186246), (228, 1123812), (248, 1033182), (279, 918384), (304, 842859), (318, 805752), (342, 749208), (361, 709776), (372, 688788), (424, 604314), (432, 593123), (456, 561906), (477, 537168), (496, 516591), (513, 499472), (558, 459192), (589, 435024), (636, 402876), (684, 374604), (722, 354888), (744, 344394), (837, 306128), (848, 302157), (912, 280953), (954, 268584), (1007, 254448), (1026, 249736), (1083, 236592), (1116, 229596), (1178, 217512), (1272, 201438), (1368, 187302), (1431, 179056), (1444, 177444), (1488, 172197), (1643, 155952), (1674, 153064), (1767, 145008), (1908, 134292), (2014, 127224), (2052, 124868), (2166, 118296), (2232, 114798), (2356, 108756), (2544, 100719), (2736, 93651), (2862, 89528), (2888, 88722), (3021, 84816), (3249, 78864), (3286, 77976), (3348, 76532), (3534, 72504), (3816, 67146), (4028, 63612), (4104, 62434), (4332, 59148), (4464, 57399), (4712, 54378), (4929, 51984), (5301, 48336), (5724, 44764), (5776, 44361), (6042, 42408), (6498, 39432), (6572, 38988), (6696, 38266), (7068, 36252), (7632, 33573), (8056, 31806), (8208, 31217), (8664, 29574), (9063, 28272), (9424, 27189), (9747, 26288), (9858, 25992), (10602, 24168), (11191, 22896), (11448, 22382), (12084, 21204), (12996, 19716), (13144, 19494), (13392, 19133), (14136, 18126), (14787, 17328), (15903, 16112)]