261385488

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 320

約数和(自身を含む): 947161600

約数和(自身を除く): 685776112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 61, 63, 72, 78, 84, 91, 104, 108, 109, 112, 117, 122, 126, 144, 156, 168, 182, 183, 189, 208, 216, 218, 234, 244, 252, 273, 312, 327, 336, 351, 364, 366, 378, 427, 432, 436, 468, 488, 504, 546, 549, 624, 654, 702, 728, 732, 756, 763, 793, 819, 854, 872, 936, 976, 981, 1008, 1092, 1098, 1281, 1308, 1404, 1417, 1456, 1464, 1512, 1526, 1586, 1638, 1647, 1708, 1744, 1872, 1962, 2184, 2196, 2289, 2379, 2457, 2562, 2616, 2808, 2834, 2928, 2943, 3024, 3052, 3172, 3276, 3294, 3416, 3843, 3924, 4251, 4368, 4392, 4578, 4758, 4914, 5124, 5232, 5551, 5616, 5668, 5886, 6104, 6344, 6552, 6588, 6649, 6832, 6867, 7137, 7686, 7848, 8502, 8784, 9156, 9516, 9828, 9919, 10248, 11102, 11336, 11529, 11772, 12208, 12688, 12753, 13104, 13176, 13298, 13734, 14274, 15372, 15696, 16653, 17004, 18312, 19032, 19656, 19838, 19947, 20496, 20601, 21411, 22204, 22672, 23058, 23544, 25506, 26352, 26596, 27468, 28548, 29757, 30744, 33306, 34008, 36624, 38064, 38259, 39312, 39676, 39894, 41202, 42822, 44408, 46116, 46543, 47088, 49959, 51012, 53192, 54936, 57096, 59514, 59841, 61488, 66612, 68016, 76518, 79352, 79788, 82404, 85644, 86437, 88816, 89271, 92232, 93086, 99918, 102024, 106384, 109872, 114192, 119028, 119682, 133224, 139629, 149877, 153036, 158704, 159576, 164808, 171288, 172874, 178542, 179523, 184464, 186172, 199836, 204048, 238056, 239364, 259311, 266448, 267813, 279258, 299754, 306072, 319152, 329616, 342576, 345748, 357084, 359046, 372344, 399672, 418887, 476112, 478728, 518622, 535626, 558516, 599508, 605059, 612144, 691496, 714168, 718092, 744688, 777933, 799344, 837774, 957456, 1037244, 1071252, 1117032, 1199016, 1210118, 1256661, 1382992, 1428336, 1436184, 1555866, 1675548, 1815177, 2074488, 2142504, 2234064, 2333799, 2398032, 2420236, 2513322, 2872368, 3111732, 3351096, 3630354, 4148976, 4285008, 4667598, 4840472, 5026644, 5445531, 6223464, 6702192, 7260708, 9335196, 9680944, 10053288, 10891062, 12446928, 14521416, 16336593, 18670392, 20106576, 21782124, 29042832, 32673186, 37340784, 43564248, 65346372, 87128496, 130692744, 261385488]

約数ペア:

[(1, 261385488), (2, 130692744), (3, 87128496), (4, 65346372), (6, 43564248), (7, 37340784), (8, 32673186), (9, 29042832), (12, 21782124), (13, 20106576), (14, 18670392), (16, 16336593), (18, 14521416), (21, 12446928), (24, 10891062), (26, 10053288), (27, 9680944), (28, 9335196), (36, 7260708), (39, 6702192), (42, 6223464), (48, 5445531), (52, 5026644), (54, 4840472), (56, 4667598), (61, 4285008), (63, 4148976), (72, 3630354), (78, 3351096), (84, 3111732), (91, 2872368), (104, 2513322), (108, 2420236), (109, 2398032), (112, 2333799), (117, 2234064), (122, 2142504), (126, 2074488), (144, 1815177), (156, 1675548), (168, 1555866), (182, 1436184), (183, 1428336), (189, 1382992), (208, 1256661), (216, 1210118), (218, 1199016), (234, 1117032), (244, 1071252), (252, 1037244), (273, 957456), (312, 837774), (327, 799344), (336, 777933), (351, 744688), (364, 718092), (366, 714168), (378, 691496), (427, 612144), (432, 605059), (436, 599508), (468, 558516), (488, 535626), (504, 518622), (546, 478728), (549, 476112), (624, 418887), (654, 399672), (702, 372344), (728, 359046), (732, 357084), (756, 345748), (763, 342576), (793, 329616), (819, 319152), (854, 306072), (872, 299754), (936, 279258), (976, 267813), (981, 266448), (1008, 259311), (1092, 239364), (1098, 238056), (1281, 204048), (1308, 199836), (1404, 186172), (1417, 184464), (1456, 179523), (1464, 178542), (1512, 172874), (1526, 171288), (1586, 164808), (1638, 159576), (1647, 158704), (1708, 153036), (1744, 149877), (1872, 139629), (1962, 133224), (2184, 119682), (2196, 119028), (2289, 114192), (2379, 109872), (2457, 106384), (2562, 102024), (2616, 99918), (2808, 93086), (2834, 92232), (2928, 89271), (2943, 88816), (3024, 86437), (3052, 85644), (3172, 82404), (3276, 79788), (3294, 79352), (3416, 76518), (3843, 68016), (3924, 66612), (4251, 61488), (4368, 59841), (4392, 59514), (4578, 57096), (4758, 54936), (4914, 53192), (5124, 51012), (5232, 49959), (5551, 47088), (5616, 46543), (5668, 46116), (5886, 44408), (6104, 42822), (6344, 41202), (6552, 39894), (6588, 39676), (6649, 39312), (6832, 38259), (6867, 38064), (7137, 36624), (7686, 34008), (7848, 33306), (8502, 30744), (8784, 29757), (9156, 28548), (9516, 27468), (9828, 26596), (9919, 26352), (10248, 25506), (11102, 23544), (11336, 23058), (11529, 22672), (11772, 22204), (12208, 21411), (12688, 20601), (12753, 20496), (13104, 19947), (13176, 19838), (13298, 19656), (13734, 19032), (14274, 18312), (15372, 17004), (15696, 16653)]