256055040

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:300

約数の個数: 288

約数和(自身を含む): 941875200

約数和(自身を除く): 685820160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 239, 240, 248, 256, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 478, 480, 496, 540, 558, 576, 620, 640, 717, 720, 744, 768, 837, 864, 930, 956, 960, 992, 1080, 1116, 1152, 1195, 1240, 1280, 1395, 1434, 1440, 1488, 1674, 1728, 1860, 1912, 1920, 1984, 2151, 2160, 2232, 2304, 2390, 2480, 2790, 2868, 2880, 2976, 3348, 3456, 3585, 3720, 3824, 3840, 3968, 4185, 4302, 4320, 4464, 4780, 4960, 5580, 5736, 5760, 5952, 6453, 6696, 6912, 7170, 7409, 7440, 7648, 7936, 8370, 8604, 8640, 8928, 9560, 9920, 10755, 11160, 11472, 11520, 11904, 12906, 13392, 14340, 14818, 14880, 15296, 16740, 17208, 17280, 17856, 19120, 19840, 21510, 22227, 22320, 22944, 23808, 25812, 26784, 28680, 29636, 29760, 30592, 32265, 33480, 34416, 34560, 35712, 37045, 38240, 39680, 43020, 44454, 44640, 45888, 51624, 53568, 57360, 59272, 59520, 61184, 64530, 66681, 66960, 68832, 71424, 74090, 76480, 86040, 88908, 89280, 91776, 103248, 107136, 111135, 114720, 118544, 119040, 129060, 133362, 133920, 137664, 148180, 152960, 172080, 177816, 178560, 183552, 200043, 206496, 214272, 222270, 229440, 237088, 258120, 266724, 267840, 275328, 296360, 305920, 333405, 344160, 355632, 357120, 400086, 412992, 444540, 458880, 474176, 516240, 533448, 535680, 550656, 592720, 666810, 688320, 711264, 800172, 825984, 889080, 917760, 948352, 1000215, 1032480, 1066896, 1071360, 1185440, 1333620, 1376640, 1422528, 1600344, 1651968, 1778160, 1896704, 2000430, 2064960, 2133792, 2370880, 2667240, 2753280, 2845056, 3200688, 3556320, 4000860, 4129920, 4267584, 4741760, 5334480, 5690112, 6401376, 7112640, 8001720, 8259840, 8535168, 9483520, 10668960, 12802752, 14225280, 16003440, 17070336, 21337920, 25605504, 28450560, 32006880, 42675840, 51211008, 64013760, 85351680, 128027520, 256055040]

約数ペア:

[(1, 256055040), (2, 128027520), (3, 85351680), (4, 64013760), (5, 51211008), (6, 42675840), (8, 32006880), (9, 28450560), (10, 25605504), (12, 21337920), (15, 17070336), (16, 16003440), (18, 14225280), (20, 12802752), (24, 10668960), (27, 9483520), (30, 8535168), (31, 8259840), (32, 8001720), (36, 7112640), (40, 6401376), (45, 5690112), (48, 5334480), (54, 4741760), (60, 4267584), (62, 4129920), (64, 4000860), (72, 3556320), (80, 3200688), (90, 2845056), (93, 2753280), (96, 2667240), (108, 2370880), (120, 2133792), (124, 2064960), (128, 2000430), (135, 1896704), (144, 1778160), (155, 1651968), (160, 1600344), (180, 1422528), (186, 1376640), (192, 1333620), (216, 1185440), (239, 1071360), (240, 1066896), (248, 1032480), (256, 1000215), (270, 948352), (279, 917760), (288, 889080), (310, 825984), (320, 800172), (360, 711264), (372, 688320), (384, 666810), (432, 592720), (465, 550656), (478, 535680), (480, 533448), (496, 516240), (540, 474176), (558, 458880), (576, 444540), (620, 412992), (640, 400086), (717, 357120), (720, 355632), (744, 344160), (768, 333405), (837, 305920), (864, 296360), (930, 275328), (956, 267840), (960, 266724), (992, 258120), (1080, 237088), (1116, 229440), (1152, 222270), (1195, 214272), (1240, 206496), (1280, 200043), (1395, 183552), (1434, 178560), (1440, 177816), (1488, 172080), (1674, 152960), (1728, 148180), (1860, 137664), (1912, 133920), (1920, 133362), (1984, 129060), (2151, 119040), (2160, 118544), (2232, 114720), (2304, 111135), (2390, 107136), (2480, 103248), (2790, 91776), (2868, 89280), (2880, 88908), (2976, 86040), (3348, 76480), (3456, 74090), (3585, 71424), (3720, 68832), (3824, 66960), (3840, 66681), (3968, 64530), (4185, 61184), (4302, 59520), (4320, 59272), (4464, 57360), (4780, 53568), (4960, 51624), (5580, 45888), (5736, 44640), (5760, 44454), (5952, 43020), (6453, 39680), (6696, 38240), (6912, 37045), (7170, 35712), (7409, 34560), (7440, 34416), (7648, 33480), (7936, 32265), (8370, 30592), (8604, 29760), (8640, 29636), (8928, 28680), (9560, 26784), (9920, 25812), (10755, 23808), (11160, 22944), (11472, 22320), (11520, 22227), (11904, 21510), (12906, 19840), (13392, 19120), (14340, 17856), (14818, 17280), (14880, 17208), (15296, 16740)]