251771520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 512

約数和(自身を含む): 1085736960

約数和(自身を除く): 833965440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 32, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 64, 65, 66, 70, 77, 78, 80, 84, 88, 91, 96, 104, 105, 110, 112, 120, 128, 130, 131, 132, 140, 143, 154, 156, 160, 165, 168, 176, 182, 192, 195, 208, 210, 220, 224, 231, 240, 260, 262, 264, 273, 280, 286, 308, 312, 320, 330, 336, 352, 364, 384, 385, 390, 393, 416, 420, 429, 440, 448, 455, 462, 480, 520, 524, 528, 546, 560, 572, 616, 624, 640, 655, 660, 672, 704, 715, 728, 770, 780, 786, 832, 840, 858, 880, 896, 910, 917, 924, 960, 1001, 1040, 1048, 1056, 1092, 1120, 1144, 1155, 1232, 1248, 1310, 1320, 1344, 1365, 1408, 1430, 1441, 1456, 1540, 1560, 1572, 1664, 1680, 1703, 1716, 1760, 1820, 1834, 1848, 1920, 1965, 2002, 2080, 2096, 2112, 2145, 2184, 2240, 2288, 2310, 2464, 2496, 2620, 2640, 2688, 2730, 2751, 2860, 2882, 2912, 3003, 3080, 3120, 3144, 3360, 3406, 3432, 3520, 3640, 3668, 3696, 3930, 4004, 4160, 4192, 4224, 4290, 4323, 4368, 4480, 4576, 4585, 4620, 4928, 4992, 5005, 5109, 5240, 5280, 5460, 5502, 5720, 5764, 5824, 6006, 6160, 6240, 6288, 6720, 6812, 6864, 7040, 7205, 7280, 7336, 7392, 7860, 8008, 8320, 8384, 8515, 8580, 8646, 8736, 9152, 9170, 9240, 9856, 10010, 10087, 10218, 10480, 10560, 10920, 11004, 11440, 11528, 11648, 11921, 12012, 12320, 12480, 12576, 13440, 13624, 13728, 13755, 14410, 14560, 14672, 14784, 15015, 15720, 16016, 16768, 17030, 17160, 17292, 17472, 18304, 18340, 18480, 18733, 20020, 20174, 20436, 20960, 21120, 21615, 21840, 22008, 22880, 23056, 23842, 24024, 24640, 24960, 25152, 25545, 27248, 27456, 27510, 28820, 29120, 29344, 29568, 30030, 30261, 31440, 32032, 34060, 34320, 34584, 34944, 35763, 36680, 36960, 37466, 40040, 40348, 40872, 41920, 43230, 43680, 44016, 45760, 46112, 47684, 48048, 49280, 50304, 50435, 51090, 54496, 54912, 55020, 56199, 57640, 58240, 58688, 59605, 60060, 60522, 62880, 64064, 68120, 68640, 69168, 71526, 73360, 73920, 74932, 80080, 80696, 81744, 83840, 86460, 87360, 88032, 91520, 92224, 93665, 95368, 96096, 100870, 102180, 108992, 110040, 112398, 115280, 117376, 119210, 120120, 121044, 125760, 128128, 131131, 136240, 137280, 138336, 143052, 146720, 147840, 149864, 151305, 160160, 161392, 163488, 172920, 174720, 176064, 178815, 184448, 187330, 190736, 192192, 201740, 204360, 217984, 220080, 224796, 230560, 238420, 240240, 242088, 251520, 262262, 272480, 274560, 276672, 280995, 286104, 293440, 299728, 302610, 320320, 322784, 326976, 345840, 352128, 357630, 374660, 381472, 384384, 393393, 403480, 408720, 440160, 449592, 461120, 476840, 480480, 484176, 524524, 544960, 553344, 561990, 572208, 586880, 599456, 605220, 640640, 645568, 653952, 655655, 691680, 715260, 749320, 762944, 786786, 806960, 817440, 880320, 899184, 922240, 953680, 960960, 968352, 1049048, 1089920, 1123980, 1144416, 1198912, 1210440, 1291136, 1311310, 1383360, 1430520, 1498640, 1525888, 1573572, 1613920, 1634880, 1760640, 1798368, 1907360, 1921920, 1936704, 1966965, 2098096, 2247960, 2288832, 2397824, 2420880, 2622620, 2766720, 2861040, 2997280, 3147144, 3227840, 3269760, 3596736, 3814720, 3873408, 3933930, 4196192, 4495920, 4577664, 4841760, 5245240, 5722080, 5994560, 6294288, 6455680, 7193472, 7629440, 7867860, 8392384, 8991840, 9683520, 10490480, 11444160, 11989120, 12588576, 15735720, 16784768, 17983680, 19367040, 20980960, 22888320, 25177152, 31471440, 35967360, 41961920, 50354304, 62942880, 83923840, 125885760, 251771520]

約数ペア:

[(1, 251771520), (2, 125885760), (3, 83923840), (4, 62942880), (5, 50354304), (6, 41961920), (7, 35967360), (8, 31471440), (10, 25177152), (11, 22888320), (12, 20980960), (13, 19367040), (14, 17983680), (15, 16784768), (16, 15735720), (20, 12588576), (21, 11989120), (22, 11444160), (24, 10490480), (26, 9683520), (28, 8991840), (30, 8392384), (32, 7867860), (33, 7629440), (35, 7193472), (39, 6455680), (40, 6294288), (42, 5994560), (44, 5722080), (48, 5245240), (52, 4841760), (55, 4577664), (56, 4495920), (60, 4196192), (64, 3933930), (65, 3873408), (66, 3814720), (70, 3596736), (77, 3269760), (78, 3227840), (80, 3147144), (84, 2997280), (88, 2861040), (91, 2766720), (96, 2622620), (104, 2420880), (105, 2397824), (110, 2288832), (112, 2247960), (120, 2098096), (128, 1966965), (130, 1936704), (131, 1921920), (132, 1907360), (140, 1798368), (143, 1760640), (154, 1634880), (156, 1613920), (160, 1573572), (165, 1525888), (168, 1498640), (176, 1430520), (182, 1383360), (192, 1311310), (195, 1291136), (208, 1210440), (210, 1198912), (220, 1144416), (224, 1123980), (231, 1089920), (240, 1049048), (260, 968352), (262, 960960), (264, 953680), (273, 922240), (280, 899184), (286, 880320), (308, 817440), (312, 806960), (320, 786786), (330, 762944), (336, 749320), (352, 715260), (364, 691680), (384, 655655), (385, 653952), (390, 645568), (393, 640640), (416, 605220), (420, 599456), (429, 586880), (440, 572208), (448, 561990), (455, 553344), (462, 544960), (480, 524524), (520, 484176), (524, 480480), (528, 476840), (546, 461120), (560, 449592), (572, 440160), (616, 408720), (624, 403480), (640, 393393), (655, 384384), (660, 381472), (672, 374660), (704, 357630), (715, 352128), (728, 345840), (770, 326976), (780, 322784), (786, 320320), (832, 302610), (840, 299728), (858, 293440), (880, 286104), (896, 280995), (910, 276672), (917, 274560), (924, 272480), (960, 262262), (1001, 251520), (1040, 242088), (1048, 240240), (1056, 238420), (1092, 230560), (1120, 224796), (1144, 220080), (1155, 217984), (1232, 204360), (1248, 201740), (1310, 192192), (1320, 190736), (1344, 187330), (1365, 184448), (1408, 178815), (1430, 176064), (1441, 174720), (1456, 172920), (1540, 163488), (1560, 161392), (1572, 160160), (1664, 151305), (1680, 149864), (1703, 147840), (1716, 146720), (1760, 143052), (1820, 138336), (1834, 137280), (1848, 136240), (1920, 131131), (1965, 128128), (2002, 125760), (2080, 121044), (2096, 120120), (2112, 119210), (2145, 117376), (2184, 115280), (2240, 112398), (2288, 110040), (2310, 108992), (2464, 102180), (2496, 100870), (2620, 96096), (2640, 95368), (2688, 93665), (2730, 92224), (2751, 91520), (2860, 88032), (2882, 87360), (2912, 86460), (3003, 83840), (3080, 81744), (3120, 80696), (3144, 80080), (3360, 74932), (3406, 73920), (3432, 73360), (3520, 71526), (3640, 69168), (3668, 68640), (3696, 68120), (3930, 64064), (4004, 62880), (4160, 60522), (4192, 60060), (4224, 59605), (4290, 58688), (4323, 58240), (4368, 57640), (4480, 56199), (4576, 55020), (4585, 54912), (4620, 54496), (4928, 51090), (4992, 50435), (5005, 50304), (5109, 49280), (5240, 48048), (5280, 47684), (5460, 46112), (5502, 45760), (5720, 44016), (5764, 43680), (5824, 43230), (6006, 41920), (6160, 40872), (6240, 40348), (6288, 40040), (6720, 37466), (6812, 36960), (6864, 36680), (7040, 35763), (7205, 34944), (7280, 34584), (7336, 34320), (7392, 34060), (7860, 32032), (8008, 31440), (8320, 30261), (8384, 30030), (8515, 29568), (8580, 29344), (8646, 29120), (8736, 28820), (9152, 27510), (9170, 27456), (9240, 27248), (9856, 25545), (10010, 25152), (10087, 24960), (10218, 24640), (10480, 24024), (10560, 23842), (10920, 23056), (11004, 22880), (11440, 22008), (11528, 21840), (11648, 21615), (11921, 21120), (12012, 20960), (12320, 20436), (12480, 20174), (12576, 20020), (13440, 18733), (13624, 18480), (13728, 18340), (13755, 18304), (14410, 17472), (14560, 17292), (14672, 17160), (14784, 17030), (15015, 16768), (15720, 16016)]