81967680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:258

約数の個数: 224

約数和(自身を含む): 296265600

約数和(自身を除く): 214297920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 53, 54, 60, 64, 72, 80, 90, 96, 106, 108, 120, 135, 144, 159, 160, 179, 180, 192, 212, 216, 240, 265, 270, 288, 318, 320, 358, 360, 424, 432, 477, 480, 530, 537, 540, 576, 636, 716, 720, 795, 848, 864, 895, 954, 960, 1060, 1074, 1080, 1272, 1431, 1432, 1440, 1590, 1611, 1696, 1728, 1790, 1908, 2120, 2148, 2160, 2385, 2544, 2685, 2862, 2864, 2880, 3180, 3222, 3392, 3580, 3816, 4240, 4296, 4320, 4770, 4833, 5088, 5370, 5724, 5728, 6360, 6444, 7155, 7160, 7632, 8055, 8480, 8592, 8640, 9487, 9540, 9666, 10176, 10740, 11448, 11456, 12720, 12888, 14310, 14320, 15264, 16110, 16960, 17184, 18974, 19080, 19332, 21480, 22896, 24165, 25440, 25776, 28461, 28620, 28640, 30528, 32220, 34368, 37948, 38160, 38664, 42960, 45792, 47435, 48330, 50880, 51552, 56922, 57240, 57280, 64440, 75896, 76320, 77328, 85383, 85920, 91584, 94870, 96660, 103104, 113844, 114480, 128880, 142305, 151792, 152640, 154656, 170766, 171840, 189740, 193320, 227688, 228960, 256149, 257760, 284610, 303584, 309312, 341532, 379480, 386640, 426915, 455376, 457920, 512298, 515520, 569220, 607168, 683064, 758960, 773280, 853830, 910752, 1024596, 1138440, 1280745, 1366128, 1517920, 1546560, 1707660, 1821504, 2049192, 2276880, 2561490, 2732256, 3035840, 3415320, 4098384, 4553760, 5122980, 5464512, 6830640, 8196768, 9107520, 10245960, 13661280, 16393536, 20491920, 27322560, 40983840, 81967680]

約数ペア:

[(1, 81967680), (2, 40983840), (3, 27322560), (4, 20491920), (5, 16393536), (6, 13661280), (8, 10245960), (9, 9107520), (10, 8196768), (12, 6830640), (15, 5464512), (16, 5122980), (18, 4553760), (20, 4098384), (24, 3415320), (27, 3035840), (30, 2732256), (32, 2561490), (36, 2276880), (40, 2049192), (45, 1821504), (48, 1707660), (53, 1546560), (54, 1517920), (60, 1366128), (64, 1280745), (72, 1138440), (80, 1024596), (90, 910752), (96, 853830), (106, 773280), (108, 758960), (120, 683064), (135, 607168), (144, 569220), (159, 515520), (160, 512298), (179, 457920), (180, 455376), (192, 426915), (212, 386640), (216, 379480), (240, 341532), (265, 309312), (270, 303584), (288, 284610), (318, 257760), (320, 256149), (358, 228960), (360, 227688), (424, 193320), (432, 189740), (477, 171840), (480, 170766), (530, 154656), (537, 152640), (540, 151792), (576, 142305), (636, 128880), (716, 114480), (720, 113844), (795, 103104), (848, 96660), (864, 94870), (895, 91584), (954, 85920), (960, 85383), (1060, 77328), (1074, 76320), (1080, 75896), (1272, 64440), (1431, 57280), (1432, 57240), (1440, 56922), (1590, 51552), (1611, 50880), (1696, 48330), (1728, 47435), (1790, 45792), (1908, 42960), (2120, 38664), (2148, 38160), (2160, 37948), (2385, 34368), (2544, 32220), (2685, 30528), (2862, 28640), (2864, 28620), (2880, 28461), (3180, 25776), (3222, 25440), (3392, 24165), (3580, 22896), (3816, 21480), (4240, 19332), (4296, 19080), (4320, 18974), (4770, 17184), (4833, 16960), (5088, 16110), (5370, 15264), (5724, 14320), (5728, 14310), (6360, 12888), (6444, 12720), (7155, 11456), (7160, 11448), (7632, 10740), (8055, 10176), (8480, 9666), (8592, 9540), (8640, 9487)]