1281795840

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1$

素因数の和:366

約数の個数: 432

約数和(自身を含む): 4968538848

約数和(自身を除く): 3686743008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 243, 256, 260, 270, 288, 312, 317, 320, 324, 351, 360, 384, 390, 405, 416, 432, 468, 480, 486, 520, 540, 576, 585, 624, 634, 640, 648, 702, 720, 768, 780, 810, 832, 864, 936, 951, 960, 972, 1040, 1053, 1080, 1152, 1170, 1215, 1248, 1268, 1280, 1296, 1404, 1440, 1560, 1585, 1620, 1664, 1728, 1755, 1872, 1902, 1920, 1944, 2080, 2106, 2160, 2304, 2340, 2430, 2496, 2536, 2592, 2808, 2853, 2880, 3120, 3159, 3170, 3240, 3328, 3456, 3510, 3744, 3804, 3840, 3888, 4121, 4160, 4212, 4320, 4680, 4755, 4860, 4992, 5072, 5184, 5265, 5616, 5706, 5760, 6240, 6318, 6340, 6480, 6912, 7020, 7488, 7608, 7776, 8242, 8320, 8424, 8559, 8640, 9360, 9510, 9720, 9984, 10144, 10368, 10530, 11232, 11412, 11520, 12363, 12480, 12636, 12680, 12960, 14040, 14265, 14976, 15216, 15552, 15795, 16484, 16640, 16848, 17118, 17280, 18720, 19020, 19440, 20288, 20605, 20736, 21060, 22464, 22824, 24726, 24960, 25272, 25360, 25677, 25920, 28080, 28530, 29952, 30432, 31104, 31590, 32968, 33696, 34236, 34560, 37089, 37440, 38040, 38880, 40576, 41210, 42120, 42795, 44928, 45648, 49452, 49920, 50544, 50720, 51354, 51840, 56160, 57060, 60864, 61815, 62208, 63180, 65936, 67392, 68472, 74178, 74880, 76080, 77031, 77760, 81152, 82420, 84240, 85590, 89856, 91296, 98904, 101088, 101440, 102708, 103680, 111267, 112320, 114120, 121728, 123630, 126360, 128385, 131872, 134784, 136944, 148356, 149760, 152160, 154062, 155520, 164840, 168480, 171180, 182592, 185445, 197808, 202176, 202880, 205416, 222534, 224640, 228240, 243456, 247260, 252720, 256770, 263744, 269568, 273888, 296712, 304320, 308124, 311040, 329680, 333801, 336960, 342360, 365184, 370890, 385155, 395616, 404352, 405760, 410832, 445068, 449280, 456480, 494520, 505440, 513540, 527488, 547776, 556335, 593424, 608640, 616248, 659360, 667602, 673920, 684720, 730368, 741780, 770310, 791232, 808704, 821664, 890136, 912960, 989040, 1001403, 1010880, 1027080, 1054976, 1095552, 1112670, 1186848, 1217280, 1232496, 1318720, 1335204, 1347840, 1369440, 1483560, 1540620, 1582464, 1643328, 1669005, 1780272, 1825920, 1978080, 2002806, 2021760, 2054160, 2191104, 2225340, 2373696, 2464992, 2637440, 2670408, 2738880, 2967120, 3081240, 3164928, 3286656, 3338010, 3560544, 3651840, 3956160, 4005612, 4043520, 4108320, 4450680, 4747392, 4929984, 5007015, 5274880, 5340816, 5477760, 5934240, 6162480, 6573312, 6676020, 7121088, 7912320, 8011224, 8216640, 8901360, 9494784, 9859968, 10014030, 10681632, 10955520, 11868480, 12324960, 13352040, 14242176, 15824640, 16022448, 16433280, 17802720, 19719936, 20028060, 21363264, 23736960, 24649920, 26704080, 28484352, 32044896, 32866560, 35605440, 40056120, 42726528, 47473920, 49299840, 53408160, 64089792, 71210880, 80112240, 85453056, 98599680, 106816320, 128179584, 142421760, 160224480, 213632640, 256359168, 320448960, 427265280, 640897920, 1281795840]

約数ペア:

[(1, 1281795840), (2, 640897920), (3, 427265280), (4, 320448960), (5, 256359168), (6, 213632640), (8, 160224480), (9, 142421760), (10, 128179584), (12, 106816320), (13, 98599680), (15, 85453056), (16, 80112240), (18, 71210880), (20, 64089792), (24, 53408160), (26, 49299840), (27, 47473920), (30, 42726528), (32, 40056120), (36, 35605440), (39, 32866560), (40, 32044896), (45, 28484352), (48, 26704080), (52, 24649920), (54, 23736960), (60, 21363264), (64, 20028060), (65, 19719936), (72, 17802720), (78, 16433280), (80, 16022448), (81, 15824640), (90, 14242176), (96, 13352040), (104, 12324960), (108, 11868480), (117, 10955520), (120, 10681632), (128, 10014030), (130, 9859968), (135, 9494784), (144, 8901360), (156, 8216640), (160, 8011224), (162, 7912320), (180, 7121088), (192, 6676020), (195, 6573312), (208, 6162480), (216, 5934240), (234, 5477760), (240, 5340816), (243, 5274880), (256, 5007015), (260, 4929984), (270, 4747392), (288, 4450680), (312, 4108320), (317, 4043520), (320, 4005612), (324, 3956160), (351, 3651840), (360, 3560544), (384, 3338010), (390, 3286656), (405, 3164928), (416, 3081240), (432, 2967120), (468, 2738880), (480, 2670408), (486, 2637440), (520, 2464992), (540, 2373696), (576, 2225340), (585, 2191104), (624, 2054160), (634, 2021760), (640, 2002806), (648, 1978080), (702, 1825920), (720, 1780272), (768, 1669005), (780, 1643328), (810, 1582464), (832, 1540620), (864, 1483560), (936, 1369440), (951, 1347840), (960, 1335204), (972, 1318720), (1040, 1232496), (1053, 1217280), (1080, 1186848), (1152, 1112670), (1170, 1095552), (1215, 1054976), (1248, 1027080), (1268, 1010880), (1280, 1001403), (1296, 989040), (1404, 912960), (1440, 890136), (1560, 821664), (1585, 808704), (1620, 791232), (1664, 770310), (1728, 741780), (1755, 730368), (1872, 684720), (1902, 673920), (1920, 667602), (1944, 659360), (2080, 616248), (2106, 608640), (2160, 593424), (2304, 556335), (2340, 547776), (2430, 527488), (2496, 513540), (2536, 505440), (2592, 494520), (2808, 456480), (2853, 449280), (2880, 445068), (3120, 410832), (3159, 405760), (3170, 404352), (3240, 395616), (3328, 385155), (3456, 370890), (3510, 365184), (3744, 342360), (3804, 336960), (3840, 333801), (3888, 329680), (4121, 311040), (4160, 308124), (4212, 304320), (4320, 296712), (4680, 273888), (4755, 269568), (4860, 263744), (4992, 256770), (5072, 252720), (5184, 247260), (5265, 243456), (5616, 228240), (5706, 224640), (5760, 222534), (6240, 205416), (6318, 202880), (6340, 202176), (6480, 197808), (6912, 185445), (7020, 182592), (7488, 171180), (7608, 168480), (7776, 164840), (8242, 155520), (8320, 154062), (8424, 152160), (8559, 149760), (8640, 148356), (9360, 136944), (9510, 134784), (9720, 131872), (9984, 128385), (10144, 126360), (10368, 123630), (10530, 121728), (11232, 114120), (11412, 112320), (11520, 111267), (12363, 103680), (12480, 102708), (12636, 101440), (12680, 101088), (12960, 98904), (14040, 91296), (14265, 89856), (14976, 85590), (15216, 84240), (15552, 82420), (15795, 81152), (16484, 77760), (16640, 77031), (16848, 76080), (17118, 74880), (17280, 74178), (18720, 68472), (19020, 67392), (19440, 65936), (20288, 63180), (20605, 62208), (20736, 61815), (21060, 60864), (22464, 57060), (22824, 56160), (24726, 51840), (24960, 51354), (25272, 50720), (25360, 50544), (25677, 49920), (25920, 49452), (28080, 45648), (28530, 44928), (29952, 42795), (30432, 42120), (31104, 41210), (31590, 40576), (32968, 38880), (33696, 38040), (34236, 37440), (34560, 37089)]