257788656

素因数分解:

$2^4\times 3^4\times {\mathrm{19}}^3\times {\mathrm{29}}^1$

素因数の和:106

約数の個数: 200

約数和(自身を含む): 814717200

約数和(自身を除く): 556928544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 29, 36, 38, 48, 54, 57, 58, 72, 76, 81, 87, 108, 114, 116, 144, 152, 162, 171, 174, 216, 228, 232, 261, 304, 324, 342, 348, 361, 432, 456, 464, 513, 522, 551, 648, 684, 696, 722, 783, 912, 1026, 1044, 1083, 1102, 1296, 1368, 1392, 1444, 1539, 1566, 1653, 2052, 2088, 2166, 2204, 2349, 2736, 2888, 3078, 3132, 3249, 3306, 4104, 4176, 4332, 4408, 4698, 4959, 5776, 6156, 6264, 6498, 6612, 6859, 8208, 8664, 8816, 9396, 9747, 9918, 10469, 12312, 12528, 12996, 13224, 13718, 14877, 17328, 18792, 19494, 19836, 20577, 20938, 24624, 25992, 26448, 27436, 29241, 29754, 31407, 37584, 38988, 39672, 41154, 41876, 44631, 51984, 54872, 58482, 59508, 61731, 62814, 77976, 79344, 82308, 83752, 89262, 94221, 109744, 116964, 119016, 123462, 125628, 155952, 164616, 167504, 178524, 185193, 188442, 198911, 233928, 238032, 246924, 251256, 282663, 329232, 357048, 370386, 376884, 397822, 467856, 493848, 502512, 555579, 565326, 596733, 714096, 740772, 753768, 795644, 847989, 987696, 1111158, 1130652, 1193466, 1481544, 1507536, 1591288, 1695978, 1790199, 2222316, 2261304, 2386932, 2963088, 3182576, 3391956, 3580398, 4444632, 4522608, 4773864, 5370597, 6783912, 7160796, 8889264, 9547728, 10741194, 13567824, 14321592, 16111791, 21482388, 28643184, 32223582, 42964776, 64447164, 85929552, 128894328, 257788656]

約数ペア:

[(1, 257788656), (2, 128894328), (3, 85929552), (4, 64447164), (6, 42964776), (8, 32223582), (9, 28643184), (12, 21482388), (16, 16111791), (18, 14321592), (19, 13567824), (24, 10741194), (27, 9547728), (29, 8889264), (36, 7160796), (38, 6783912), (48, 5370597), (54, 4773864), (57, 4522608), (58, 4444632), (72, 3580398), (76, 3391956), (81, 3182576), (87, 2963088), (108, 2386932), (114, 2261304), (116, 2222316), (144, 1790199), (152, 1695978), (162, 1591288), (171, 1507536), (174, 1481544), (216, 1193466), (228, 1130652), (232, 1111158), (261, 987696), (304, 847989), (324, 795644), (342, 753768), (348, 740772), (361, 714096), (432, 596733), (456, 565326), (464, 555579), (513, 502512), (522, 493848), (551, 467856), (648, 397822), (684, 376884), (696, 370386), (722, 357048), (783, 329232), (912, 282663), (1026, 251256), (1044, 246924), (1083, 238032), (1102, 233928), (1296, 198911), (1368, 188442), (1392, 185193), (1444, 178524), (1539, 167504), (1566, 164616), (1653, 155952), (2052, 125628), (2088, 123462), (2166, 119016), (2204, 116964), (2349, 109744), (2736, 94221), (2888, 89262), (3078, 83752), (3132, 82308), (3249, 79344), (3306, 77976), (4104, 62814), (4176, 61731), (4332, 59508), (4408, 58482), (4698, 54872), (4959, 51984), (5776, 44631), (6156, 41876), (6264, 41154), (6498, 39672), (6612, 38988), (6859, 37584), (8208, 31407), (8664, 29754), (8816, 29241), (9396, 27436), (9747, 26448), (9918, 25992), (10469, 24624), (12312, 20938), (12528, 20577), (12996, 19836), (13224, 19494), (13718, 18792), (14877, 17328)]