261252264

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 256

約数和(自身を含む): 854945280

約数和(自身を除く): 593693016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 37, 39, 42, 52, 53, 56, 61, 74, 78, 84, 91, 104, 106, 111, 122, 148, 156, 159, 168, 182, 183, 212, 222, 244, 259, 273, 296, 312, 318, 364, 366, 371, 424, 427, 444, 481, 488, 518, 546, 636, 689, 728, 732, 742, 777, 793, 854, 888, 962, 1036, 1092, 1113, 1272, 1281, 1378, 1443, 1464, 1484, 1554, 1586, 1708, 1924, 1961, 2067, 2072, 2184, 2226, 2257, 2379, 2562, 2756, 2886, 2968, 3108, 3172, 3233, 3367, 3416, 3848, 3922, 4134, 4452, 4514, 4758, 4823, 5124, 5512, 5551, 5772, 5883, 6216, 6344, 6466, 6734, 6771, 7844, 8268, 8904, 9028, 9516, 9646, 9699, 10101, 10248, 11102, 11544, 11766, 12932, 13468, 13542, 13727, 14469, 15688, 15799, 16536, 16653, 18056, 19032, 19292, 19398, 20202, 22204, 22631, 23532, 25493, 25864, 26936, 27084, 27454, 28938, 29341, 31598, 33306, 38584, 38796, 40404, 41181, 42029, 44408, 45262, 47064, 47397, 50986, 54168, 54908, 57876, 58682, 63196, 66612, 67893, 76479, 77592, 80808, 82362, 84058, 88023, 90524, 94794, 101972, 109816, 115752, 117364, 119621, 126087, 126392, 133224, 135786, 152958, 164724, 168116, 176046, 178451, 181048, 189588, 203944, 205387, 234728, 239242, 252174, 271572, 294203, 305916, 329448, 336232, 352092, 356902, 358863, 379176, 410774, 478484, 504348, 535353, 543144, 588406, 611832, 616161, 704184, 713804, 717726, 821548, 837347, 882609, 956968, 1008696, 1070706, 1176812, 1232322, 1427608, 1435452, 1555073, 1643096, 1674694, 1765218, 2141412, 2353624, 2464644, 2512041, 2870904, 3110146, 3349388, 3530436, 4282824, 4665219, 4929288, 5024082, 6220292, 6698776, 7060872, 9330438, 10048164, 10885511, 12440584, 18660876, 20096328, 21771022, 32656533, 37321752, 43542044, 65313066, 87084088, 130626132, 261252264]

約数ペア:

[(1, 261252264), (2, 130626132), (3, 87084088), (4, 65313066), (6, 43542044), (7, 37321752), (8, 32656533), (12, 21771022), (13, 20096328), (14, 18660876), (21, 12440584), (24, 10885511), (26, 10048164), (28, 9330438), (37, 7060872), (39, 6698776), (42, 6220292), (52, 5024082), (53, 4929288), (56, 4665219), (61, 4282824), (74, 3530436), (78, 3349388), (84, 3110146), (91, 2870904), (104, 2512041), (106, 2464644), (111, 2353624), (122, 2141412), (148, 1765218), (156, 1674694), (159, 1643096), (168, 1555073), (182, 1435452), (183, 1427608), (212, 1232322), (222, 1176812), (244, 1070706), (259, 1008696), (273, 956968), (296, 882609), (312, 837347), (318, 821548), (364, 717726), (366, 713804), (371, 704184), (424, 616161), (427, 611832), (444, 588406), (481, 543144), (488, 535353), (518, 504348), (546, 478484), (636, 410774), (689, 379176), (728, 358863), (732, 356902), (742, 352092), (777, 336232), (793, 329448), (854, 305916), (888, 294203), (962, 271572), (1036, 252174), (1092, 239242), (1113, 234728), (1272, 205387), (1281, 203944), (1378, 189588), (1443, 181048), (1464, 178451), (1484, 176046), (1554, 168116), (1586, 164724), (1708, 152958), (1924, 135786), (1961, 133224), (2067, 126392), (2072, 126087), (2184, 119621), (2226, 117364), (2257, 115752), (2379, 109816), (2562, 101972), (2756, 94794), (2886, 90524), (2968, 88023), (3108, 84058), (3172, 82362), (3233, 80808), (3367, 77592), (3416, 76479), (3848, 67893), (3922, 66612), (4134, 63196), (4452, 58682), (4514, 57876), (4758, 54908), (4823, 54168), (5124, 50986), (5512, 47397), (5551, 47064), (5772, 45262), (5883, 44408), (6216, 42029), (6344, 41181), (6466, 40404), (6734, 38796), (6771, 38584), (7844, 33306), (8268, 31598), (8904, 29341), (9028, 28938), (9516, 27454), (9646, 27084), (9699, 26936), (10101, 25864), (10248, 25493), (11102, 23532), (11544, 22631), (11766, 22204), (12932, 20202), (13468, 19398), (13542, 19292), (13727, 19032), (14469, 18056), (15688, 16653), (15799, 16536)]