80421120

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 309052800

約数和(自身を除く): 228631680

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, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 179, 180, 192, 195, 208, 216, 234, 240, 256, 260, 270, 288, 312, 320, 351, 358, 360, 384, 390, 416, 432, 468, 480, 520, 537, 540, 576, 585, 624, 640, 702, 716, 720, 768, 780, 832, 864, 895, 936, 960, 1040, 1074, 1080, 1152, 1170, 1248, 1280, 1404, 1432, 1440, 1560, 1611, 1664, 1728, 1755, 1790, 1872, 1920, 2080, 2148, 2160, 2304, 2327, 2340, 2496, 2685, 2808, 2864, 2880, 3120, 3222, 3328, 3456, 3510, 3580, 3744, 3840, 4160, 4296, 4320, 4654, 4680, 4833, 4992, 5370, 5616, 5728, 5760, 6240, 6444, 6912, 6981, 7020, 7160, 7488, 8055, 8320, 8592, 8640, 9308, 9360, 9666, 9984, 10740, 11232, 11456, 11520, 11635, 12480, 12888, 13962, 14040, 14320, 14976, 16110, 16640, 17184, 17280, 18616, 18720, 19332, 20943, 21480, 22464, 22912, 23270, 24165, 24960, 25776, 27924, 28080, 28640, 29952, 32220, 34368, 34560, 34905, 37232, 37440, 38664, 41886, 42960, 44928, 45824, 46540, 48330, 49920, 51552, 55848, 56160, 57280, 62829, 64440, 68736, 69810, 74464, 74880, 77328, 83772, 85920, 89856, 93080, 96660, 103104, 104715, 111696, 112320, 114560, 125658, 128880, 137472, 139620, 148928, 149760, 154656, 167544, 171840, 186160, 193320, 206208, 209430, 223392, 224640, 229120, 251316, 257760, 279240, 297856, 309312, 314145, 335088, 343680, 372320, 386640, 412416, 418860, 446784, 449280, 502632, 515520, 558480, 595712, 618624, 628290, 670176, 687360, 744640, 773280, 837720, 893568, 1005264, 1031040, 1116960, 1237248, 1256580, 1340352, 1489280, 1546560, 1675440, 1787136, 2010528, 2062080, 2233920, 2513160, 2680704, 2978560, 3093120, 3350880, 4021056, 4467840, 5026320, 5361408, 6186240, 6701760, 8042112, 8935680, 10052640, 13403520, 16084224, 20105280, 26807040, 40210560, 80421120]

約数ペア:

[(1, 80421120), (2, 40210560), (3, 26807040), (4, 20105280), (5, 16084224), (6, 13403520), (8, 10052640), (9, 8935680), (10, 8042112), (12, 6701760), (13, 6186240), (15, 5361408), (16, 5026320), (18, 4467840), (20, 4021056), (24, 3350880), (26, 3093120), (27, 2978560), (30, 2680704), (32, 2513160), (36, 2233920), (39, 2062080), (40, 2010528), (45, 1787136), (48, 1675440), (52, 1546560), (54, 1489280), (60, 1340352), (64, 1256580), (65, 1237248), (72, 1116960), (78, 1031040), (80, 1005264), (90, 893568), (96, 837720), (104, 773280), (108, 744640), (117, 687360), (120, 670176), (128, 628290), (130, 618624), (135, 595712), (144, 558480), (156, 515520), (160, 502632), (179, 449280), (180, 446784), (192, 418860), (195, 412416), (208, 386640), (216, 372320), (234, 343680), (240, 335088), (256, 314145), (260, 309312), (270, 297856), (288, 279240), (312, 257760), (320, 251316), (351, 229120), (358, 224640), (360, 223392), (384, 209430), (390, 206208), (416, 193320), (432, 186160), (468, 171840), (480, 167544), (520, 154656), (537, 149760), (540, 148928), (576, 139620), (585, 137472), (624, 128880), (640, 125658), (702, 114560), (716, 112320), (720, 111696), (768, 104715), (780, 103104), (832, 96660), (864, 93080), (895, 89856), (936, 85920), (960, 83772), (1040, 77328), (1074, 74880), (1080, 74464), (1152, 69810), (1170, 68736), (1248, 64440), (1280, 62829), (1404, 57280), (1432, 56160), (1440, 55848), (1560, 51552), (1611, 49920), (1664, 48330), (1728, 46540), (1755, 45824), (1790, 44928), (1872, 42960), (1920, 41886), (2080, 38664), (2148, 37440), (2160, 37232), (2304, 34905), (2327, 34560), (2340, 34368), (2496, 32220), (2685, 29952), (2808, 28640), (2864, 28080), (2880, 27924), (3120, 25776), (3222, 24960), (3328, 24165), (3456, 23270), (3510, 22912), (3580, 22464), (3744, 21480), (3840, 20943), (4160, 19332), (4296, 18720), (4320, 18616), (4654, 17280), (4680, 17184), (4833, 16640), (4992, 16110), (5370, 14976), (5616, 14320), (5728, 14040), (5760, 13962), (6240, 12888), (6444, 12480), (6912, 11635), (6981, 11520), (7020, 11456), (7160, 11232), (7488, 10740), (8055, 9984), (8320, 9666), (8592, 9360), (8640, 9308)]