261445184

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 252

約数和(自身を含む): 727866972

約数和(自身を除く): 466421788

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 49, 52, 53, 56, 64, 77, 88, 91, 98, 104, 106, 112, 121, 143, 154, 176, 182, 196, 208, 212, 224, 242, 286, 308, 352, 364, 371, 392, 416, 424, 448, 484, 539, 572, 583, 616, 637, 689, 704, 728, 742, 784, 832, 847, 848, 968, 1001, 1078, 1144, 1166, 1232, 1274, 1378, 1456, 1484, 1568, 1573, 1694, 1696, 1936, 2002, 2156, 2288, 2332, 2464, 2548, 2597, 2756, 2912, 2968, 3136, 3146, 3388, 3392, 3872, 4004, 4081, 4312, 4576, 4664, 4823, 4928, 5096, 5194, 5512, 5824, 5929, 5936, 6292, 6413, 6776, 7007, 7579, 7744, 8008, 8162, 8624, 9152, 9328, 9646, 10192, 10388, 11011, 11024, 11858, 11872, 12584, 12826, 13552, 14014, 15158, 16016, 16324, 17248, 18656, 19292, 20384, 20776, 22022, 22048, 23716, 23744, 25168, 25652, 27104, 28028, 28567, 30316, 32032, 32648, 33761, 34496, 37312, 38584, 40768, 41552, 44044, 44096, 44891, 47432, 50336, 51304, 53053, 54208, 56056, 57134, 60632, 64064, 65296, 67522, 77077, 77168, 83104, 83369, 88088, 89782, 94864, 100672, 102608, 106106, 112112, 114268, 121264, 130592, 135044, 154154, 154336, 166208, 166738, 176176, 179564, 189728, 205216, 212212, 224224, 228536, 242528, 261184, 270088, 308308, 308672, 314237, 333476, 352352, 359128, 371371, 379456, 410432, 424424, 448448, 457072, 485056, 540176, 583583, 616616, 628474, 666952, 704704, 718256, 742742, 848848, 914144, 1080352, 1167166, 1233232, 1256948, 1333904, 1436512, 1485484, 1697696, 1828288, 2160704, 2334332, 2466464, 2513896, 2667808, 2873024, 2970968, 3395392, 4085081, 4668664, 4932928, 5027792, 5335616, 5941936, 8170162, 9337328, 10055584, 11883872, 16340324, 18674656, 20111168, 23767744, 32680648, 37349312, 65361296, 130722592, 261445184]

約数ペア:

[(1, 261445184), (2, 130722592), (4, 65361296), (7, 37349312), (8, 32680648), (11, 23767744), (13, 20111168), (14, 18674656), (16, 16340324), (22, 11883872), (26, 10055584), (28, 9337328), (32, 8170162), (44, 5941936), (49, 5335616), (52, 5027792), (53, 4932928), (56, 4668664), (64, 4085081), (77, 3395392), (88, 2970968), (91, 2873024), (98, 2667808), (104, 2513896), (106, 2466464), (112, 2334332), (121, 2160704), (143, 1828288), (154, 1697696), (176, 1485484), (182, 1436512), (196, 1333904), (208, 1256948), (212, 1233232), (224, 1167166), (242, 1080352), (286, 914144), (308, 848848), (352, 742742), (364, 718256), (371, 704704), (392, 666952), (416, 628474), (424, 616616), (448, 583583), (484, 540176), (539, 485056), (572, 457072), (583, 448448), (616, 424424), (637, 410432), (689, 379456), (704, 371371), (728, 359128), (742, 352352), (784, 333476), (832, 314237), (847, 308672), (848, 308308), (968, 270088), (1001, 261184), (1078, 242528), (1144, 228536), (1166, 224224), (1232, 212212), (1274, 205216), (1378, 189728), (1456, 179564), (1484, 176176), (1568, 166738), (1573, 166208), (1694, 154336), (1696, 154154), (1936, 135044), (2002, 130592), (2156, 121264), (2288, 114268), (2332, 112112), (2464, 106106), (2548, 102608), (2597, 100672), (2756, 94864), (2912, 89782), (2968, 88088), (3136, 83369), (3146, 83104), (3388, 77168), (3392, 77077), (3872, 67522), (4004, 65296), (4081, 64064), (4312, 60632), (4576, 57134), (4664, 56056), (4823, 54208), (4928, 53053), (5096, 51304), (5194, 50336), (5512, 47432), (5824, 44891), (5929, 44096), (5936, 44044), (6292, 41552), (6413, 40768), (6776, 38584), (7007, 37312), (7579, 34496), (7744, 33761), (8008, 32648), (8162, 32032), (8624, 30316), (9152, 28567), (9328, 28028), (9646, 27104), (10192, 25652), (10388, 25168), (11011, 23744), (11024, 23716), (11858, 22048), (11872, 22022), (12584, 20776), (12826, 20384), (13552, 19292), (14014, 18656), (15158, 17248), (16016, 16324)]