256656245904

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{2621}}^1$

素因数の和:2974

約数の個数: 240

約数和(自身を含む): 753191524800

約数和(自身を除く): 496535278896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 131, 144, 174, 179, 232, 261, 262, 348, 358, 393, 464, 522, 524, 537, 696, 716, 786, 1044, 1048, 1074, 1179, 1392, 1432, 1572, 1611, 2088, 2096, 2148, 2358, 2621, 2864, 3144, 3222, 3799, 4176, 4296, 4716, 5191, 5242, 6288, 6444, 7598, 7863, 8592, 9432, 10382, 10484, 11397, 12888, 15196, 15573, 15726, 18864, 20764, 20968, 22794, 23449, 23589, 25776, 30392, 31146, 31452, 34191, 41528, 41936, 45588, 46719, 46898, 47178, 60784, 62292, 62904, 68382, 70347, 76009, 83056, 91176, 93438, 93796, 94356, 124584, 125808, 136764, 140694, 152018, 182352, 186876, 187592, 188712, 211041, 228027, 249168, 273528, 281388, 304036, 343351, 373752, 375184, 377424, 422082, 456054, 469159, 547056, 562776, 608072, 680021, 684081, 686702, 747504, 844164, 912108, 938318, 1030053, 1125552, 1216144, 1360042, 1368162, 1373404, 1407477, 1688328, 1824216, 1876636, 2040063, 2060106, 2720084, 2736324, 2746808, 2814954, 3090159, 3376656, 3648432, 3753272, 4080126, 4120212, 4222431, 5440168, 5472648, 5493616, 5629908, 6120189, 6180318, 7506544, 8160252, 8240424, 8444862, 9957179, 10880336, 10945296, 11259816, 12240378, 12360636, 13605611, 16320504, 16480848, 16889724, 19914358, 22519632, 24480756, 24721272, 27211222, 29871537, 32641008, 33779448, 39828716, 40816833, 48961512, 49442544, 54422444, 59743074, 61459829, 67558896, 79657432, 81633666, 89614611, 97923024, 108844888, 119486148, 122450499, 122919658, 159314864, 163267332, 179229222, 184379487, 217689776, 238972296, 244900998, 245839316, 326534664, 358458444, 368758974, 477944592, 489801996, 491678632, 553138461, 653069328, 716916888, 737517948, 979603992, 983357264, 1106276922, 1433833776, 1475035896, 1782335041, 1959207984, 2212553844, 2950071792, 3564670082, 4425107688, 5347005123, 7129340164, 8850215376, 10694010246, 14258680328, 16041015369, 21388020492, 28517360656, 32082030738, 42776040984, 64164061476, 85552081968, 128328122952, 256656245904]

約数ペア:

[(1, 256656245904), (2, 128328122952), (3, 85552081968), (4, 64164061476), (6, 42776040984), (8, 32082030738), (9, 28517360656), (12, 21388020492), (16, 16041015369), (18, 14258680328), (24, 10694010246), (29, 8850215376), (36, 7129340164), (48, 5347005123), (58, 4425107688), (72, 3564670082), (87, 2950071792), (116, 2212553844), (131, 1959207984), (144, 1782335041), (174, 1475035896), (179, 1433833776), (232, 1106276922), (261, 983357264), (262, 979603992), (348, 737517948), (358, 716916888), (393, 653069328), (464, 553138461), (522, 491678632), (524, 489801996), (537, 477944592), (696, 368758974), (716, 358458444), (786, 326534664), (1044, 245839316), (1048, 244900998), (1074, 238972296), (1179, 217689776), (1392, 184379487), (1432, 179229222), (1572, 163267332), (1611, 159314864), (2088, 122919658), (2096, 122450499), (2148, 119486148), (2358, 108844888), (2621, 97923024), (2864, 89614611), (3144, 81633666), (3222, 79657432), (3799, 67558896), (4176, 61459829), (4296, 59743074), (4716, 54422444), (5191, 49442544), (5242, 48961512), (6288, 40816833), (6444, 39828716), (7598, 33779448), (7863, 32641008), (8592, 29871537), (9432, 27211222), (10382, 24721272), (10484, 24480756), (11397, 22519632), (12888, 19914358), (15196, 16889724), (15573, 16480848), (15726, 16320504), (18864, 13605611), (20764, 12360636), (20968, 12240378), (22794, 11259816), (23449, 10945296), (23589, 10880336), (25776, 9957179), (30392, 8444862), (31146, 8240424), (31452, 8160252), (34191, 7506544), (41528, 6180318), (41936, 6120189), (45588, 5629908), (46719, 5493616), (46898, 5472648), (47178, 5440168), (60784, 4222431), (62292, 4120212), (62904, 4080126), (68382, 3753272), (70347, 3648432), (76009, 3376656), (83056, 3090159), (91176, 2814954), (93438, 2746808), (93796, 2736324), (94356, 2720084), (124584, 2060106), (125808, 2040063), (136764, 1876636), (140694, 1824216), (152018, 1688328), (182352, 1407477), (186876, 1373404), (187592, 1368162), (188712, 1360042), (211041, 1216144), (228027, 1125552), (249168, 1030053), (273528, 938318), (281388, 912108), (304036, 844164), (343351, 747504), (373752, 686702), (375184, 684081), (377424, 680021), (422082, 608072), (456054, 562776), (469159, 547056)]