161249280

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 536608800

約数和(自身を除く): 375359520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 181, 192, 232, 240, 256, 290, 320, 348, 362, 384, 435, 464, 480, 512, 543, 580, 640, 696, 724, 768, 870, 905, 928, 960, 1024, 1086, 1160, 1280, 1392, 1448, 1536, 1740, 1810, 1856, 1920, 2048, 2172, 2320, 2560, 2715, 2784, 2896, 3072, 3480, 3620, 3712, 3840, 4344, 4640, 5120, 5249, 5430, 5568, 5792, 6144, 6960, 7240, 7424, 7680, 8688, 9280, 10240, 10498, 10860, 11136, 11584, 13920, 14480, 14848, 15360, 15747, 17376, 18560, 20996, 21720, 22272, 23168, 26245, 27840, 28960, 29696, 30720, 31494, 34752, 37120, 41992, 43440, 44544, 46336, 52490, 55680, 57920, 59392, 62988, 69504, 74240, 78735, 83984, 86880, 89088, 92672, 104980, 111360, 115840, 125976, 139008, 148480, 157470, 167968, 173760, 178176, 185344, 209960, 222720, 231680, 251952, 278016, 296960, 314940, 335936, 347520, 370688, 419920, 445440, 463360, 503904, 556032, 629880, 671872, 695040, 839840, 890880, 926720, 1007808, 1112064, 1259760, 1343744, 1390080, 1679680, 1853440, 2015616, 2519520, 2687488, 2780160, 3359360, 4031232, 5039040, 5374976, 5560320, 6718720, 8062464, 10078080, 10749952, 13437440, 16124928, 20156160, 26874880, 32249856, 40312320, 53749760, 80624640, 161249280]

約数ペア:

[(1, 161249280), (2, 80624640), (3, 53749760), (4, 40312320), (5, 32249856), (6, 26874880), (8, 20156160), (10, 16124928), (12, 13437440), (15, 10749952), (16, 10078080), (20, 8062464), (24, 6718720), (29, 5560320), (30, 5374976), (32, 5039040), (40, 4031232), (48, 3359360), (58, 2780160), (60, 2687488), (64, 2519520), (80, 2015616), (87, 1853440), (96, 1679680), (116, 1390080), (120, 1343744), (128, 1259760), (145, 1112064), (160, 1007808), (174, 926720), (181, 890880), (192, 839840), (232, 695040), (240, 671872), (256, 629880), (290, 556032), (320, 503904), (348, 463360), (362, 445440), (384, 419920), (435, 370688), (464, 347520), (480, 335936), (512, 314940), (543, 296960), (580, 278016), (640, 251952), (696, 231680), (724, 222720), (768, 209960), (870, 185344), (905, 178176), (928, 173760), (960, 167968), (1024, 157470), (1086, 148480), (1160, 139008), (1280, 125976), (1392, 115840), (1448, 111360), (1536, 104980), (1740, 92672), (1810, 89088), (1856, 86880), (1920, 83984), (2048, 78735), (2172, 74240), (2320, 69504), (2560, 62988), (2715, 59392), (2784, 57920), (2896, 55680), (3072, 52490), (3480, 46336), (3620, 44544), (3712, 43440), (3840, 41992), (4344, 37120), (4640, 34752), (5120, 31494), (5249, 30720), (5430, 29696), (5568, 28960), (5792, 27840), (6144, 26245), (6960, 23168), (7240, 22272), (7424, 21720), (7680, 20996), (8688, 18560), (9280, 17376), (10240, 15747), (10498, 15360), (10860, 14848), (11136, 14480), (11584, 13920)]