80455680

素因数分解:

$2^{11}\times 3^4\times 5^1\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 291351060

約数和(自身を除く): 210895380

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, 54, 60, 64, 72, 80, 81, 90, 96, 97, 108, 120, 128, 135, 144, 160, 162, 180, 192, 194, 216, 240, 256, 270, 288, 291, 320, 324, 360, 384, 388, 405, 432, 480, 485, 512, 540, 576, 582, 640, 648, 720, 768, 776, 810, 864, 873, 960, 970, 1024, 1080, 1152, 1164, 1280, 1296, 1440, 1455, 1536, 1552, 1620, 1728, 1746, 1920, 1940, 2048, 2160, 2304, 2328, 2560, 2592, 2619, 2880, 2910, 3072, 3104, 3240, 3456, 3492, 3840, 3880, 4320, 4365, 4608, 4656, 5120, 5184, 5238, 5760, 5820, 6144, 6208, 6480, 6912, 6984, 7680, 7760, 7857, 8640, 8730, 9216, 9312, 10240, 10368, 10476, 11520, 11640, 12416, 12960, 13095, 13824, 13968, 15360, 15520, 15714, 17280, 17460, 18432, 18624, 20736, 20952, 23040, 23280, 24832, 25920, 26190, 27648, 27936, 30720, 31040, 31428, 34560, 34920, 37248, 39285, 41472, 41904, 46080, 46560, 49664, 51840, 52380, 55296, 55872, 62080, 62856, 69120, 69840, 74496, 78570, 82944, 83808, 92160, 93120, 99328, 103680, 104760, 111744, 124160, 125712, 138240, 139680, 148992, 157140, 165888, 167616, 186240, 198656, 207360, 209520, 223488, 248320, 251424, 276480, 279360, 297984, 314280, 335232, 372480, 414720, 419040, 446976, 496640, 502848, 558720, 595968, 628560, 670464, 744960, 829440, 838080, 893952, 993280, 1005696, 1117440, 1257120, 1340928, 1489920, 1676160, 1787904, 2011392, 2234880, 2514240, 2681856, 2979840, 3352320, 4022784, 4469760, 5028480, 5363712, 6704640, 8045568, 8939520, 10056960, 13409280, 16091136, 20113920, 26818560, 40227840, 80455680]

約数ペア:

[(1, 80455680), (2, 40227840), (3, 26818560), (4, 20113920), (5, 16091136), (6, 13409280), (8, 10056960), (9, 8939520), (10, 8045568), (12, 6704640), (15, 5363712), (16, 5028480), (18, 4469760), (20, 4022784), (24, 3352320), (27, 2979840), (30, 2681856), (32, 2514240), (36, 2234880), (40, 2011392), (45, 1787904), (48, 1676160), (54, 1489920), (60, 1340928), (64, 1257120), (72, 1117440), (80, 1005696), (81, 993280), (90, 893952), (96, 838080), (97, 829440), (108, 744960), (120, 670464), (128, 628560), (135, 595968), (144, 558720), (160, 502848), (162, 496640), (180, 446976), (192, 419040), (194, 414720), (216, 372480), (240, 335232), (256, 314280), (270, 297984), (288, 279360), (291, 276480), (320, 251424), (324, 248320), (360, 223488), (384, 209520), (388, 207360), (405, 198656), (432, 186240), (480, 167616), (485, 165888), (512, 157140), (540, 148992), (576, 139680), (582, 138240), (640, 125712), (648, 124160), (720, 111744), (768, 104760), (776, 103680), (810, 99328), (864, 93120), (873, 92160), (960, 83808), (970, 82944), (1024, 78570), (1080, 74496), (1152, 69840), (1164, 69120), (1280, 62856), (1296, 62080), (1440, 55872), (1455, 55296), (1536, 52380), (1552, 51840), (1620, 49664), (1728, 46560), (1746, 46080), (1920, 41904), (1940, 41472), (2048, 39285), (2160, 37248), (2304, 34920), (2328, 34560), (2560, 31428), (2592, 31040), (2619, 30720), (2880, 27936), (2910, 27648), (3072, 26190), (3104, 25920), (3240, 24832), (3456, 23280), (3492, 23040), (3840, 20952), (3880, 20736), (4320, 18624), (4365, 18432), (4608, 17460), (4656, 17280), (5120, 15714), (5184, 15520), (5238, 15360), (5760, 13968), (5820, 13824), (6144, 13095), (6208, 12960), (6480, 12416), (6912, 11640), (6984, 11520), (7680, 10476), (7760, 10368), (7857, 10240), (8640, 9312), (8730, 9216)]