20881889280

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^1\times {\mathrm{32369}}^1$

素因数の和:32409

約数の個数: 288

約数和(自身を含む): 82714413600

約数和(自身を除く): 61832524320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1024, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2048, 2240, 2304, 2520, 2560, 2688, 2880, 3072, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5120, 5376, 5760, 6144, 6720, 7168, 7680, 8064, 8960, 9216, 10080, 10240, 10752, 11520, 13440, 14336, 15360, 16128, 17920, 18432, 20160, 21504, 23040, 26880, 30720, 32256, 32369, 35840, 40320, 43008, 46080, 53760, 64512, 64738, 71680, 80640, 92160, 97107, 107520, 129024, 129476, 161280, 161845, 194214, 215040, 226583, 258952, 291321, 322560, 323690, 388428, 453166, 485535, 517904, 582642, 645120, 647380, 679749, 776856, 906332, 971070, 1035808, 1132915, 1165284, 1294760, 1359498, 1456605, 1553712, 1812664, 1942140, 2039247, 2071616, 2265830, 2330568, 2589520, 2718996, 2913210, 3107424, 3398745, 3625328, 3884280, 4078494, 4143232, 4531660, 4661136, 5179040, 5437992, 5826420, 6214848, 6797490, 7250656, 7768560, 8156988, 8286464, 9063320, 9322272, 10196235, 10358080, 10875984, 11652840, 12429696, 13594980, 14501312, 15537120, 16313976, 16572928, 18126640, 18644544, 20392470, 20716160, 21751968, 23305680, 24859392, 27189960, 29002624, 31074240, 32627952, 33145856, 36253280, 37289088, 40784940, 41432320, 43503936, 46611360, 49718784, 54379920, 58005248, 62148480, 65255904, 66291712, 72506560, 74578176, 81569880, 82864640, 87007872, 93222720, 99437568, 108759840, 116010496, 124296960, 130511808, 145013120, 149156352, 163139760, 165729280, 174015744, 186445440, 198875136, 217519680, 232020992, 248593920, 261023616, 290026240, 298312704, 326279520, 331458560, 348031488, 372890880, 435039360, 464041984, 497187840, 522047232, 580052480, 596625408, 652559040, 696062976, 745781760, 870078720, 994375680, 1044094464, 1160104960, 1305118080, 1392125952, 1491563520, 1740157440, 2088188928, 2320209920, 2610236160, 2983127040, 3480314880, 4176377856, 5220472320, 6960629760, 10440944640, 20881889280]

約数ペア:

[(1, 20881889280), (2, 10440944640), (3, 6960629760), (4, 5220472320), (5, 4176377856), (6, 3480314880), (7, 2983127040), (8, 2610236160), (9, 2320209920), (10, 2088188928), (12, 1740157440), (14, 1491563520), (15, 1392125952), (16, 1305118080), (18, 1160104960), (20, 1044094464), (21, 994375680), (24, 870078720), (28, 745781760), (30, 696062976), (32, 652559040), (35, 596625408), (36, 580052480), (40, 522047232), (42, 497187840), (45, 464041984), (48, 435039360), (56, 372890880), (60, 348031488), (63, 331458560), (64, 326279520), (70, 298312704), (72, 290026240), (80, 261023616), (84, 248593920), (90, 232020992), (96, 217519680), (105, 198875136), (112, 186445440), (120, 174015744), (126, 165729280), (128, 163139760), (140, 149156352), (144, 145013120), (160, 130511808), (168, 124296960), (180, 116010496), (192, 108759840), (210, 99437568), (224, 93222720), (240, 87007872), (252, 82864640), (256, 81569880), (280, 74578176), (288, 72506560), (315, 66291712), (320, 65255904), (336, 62148480), (360, 58005248), (384, 54379920), (420, 49718784), (448, 46611360), (480, 43503936), (504, 41432320), (512, 40784940), (560, 37289088), (576, 36253280), (630, 33145856), (640, 32627952), (672, 31074240), (720, 29002624), (768, 27189960), (840, 24859392), (896, 23305680), (960, 21751968), (1008, 20716160), (1024, 20392470), (1120, 18644544), (1152, 18126640), (1260, 16572928), (1280, 16313976), (1344, 15537120), (1440, 14501312), (1536, 13594980), (1680, 12429696), (1792, 11652840), (1920, 10875984), (2016, 10358080), (2048, 10196235), (2240, 9322272), (2304, 9063320), (2520, 8286464), (2560, 8156988), (2688, 7768560), (2880, 7250656), (3072, 6797490), (3360, 6214848), (3584, 5826420), (3840, 5437992), (4032, 5179040), (4480, 4661136), (4608, 4531660), (5040, 4143232), (5120, 4078494), (5376, 3884280), (5760, 3625328), (6144, 3398745), (6720, 3107424), (7168, 2913210), (7680, 2718996), (8064, 2589520), (8960, 2330568), (9216, 2265830), (10080, 2071616), (10240, 2039247), (10752, 1942140), (11520, 1812664), (13440, 1553712), (14336, 1456605), (15360, 1359498), (16128, 1294760), (17920, 1165284), (18432, 1132915), (20160, 1035808), (21504, 971070), (23040, 906332), (26880, 776856), (30720, 679749), (32256, 647380), (32369, 645120), (35840, 582642), (40320, 517904), (43008, 485535), (46080, 453166), (53760, 388428), (64512, 323690), (64738, 322560), (71680, 291321), (80640, 258952), (92160, 226583), (97107, 215040), (107520, 194214), (129024, 161845), (129476, 161280)]