189702720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:553

約数の個数: 168

約数和(自身を含む): 657758400

約数和(自身を除く): 468055680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 199, 240, 288, 320, 331, 360, 398, 480, 576, 597, 662, 720, 796, 960, 993, 995, 1194, 1324, 1440, 1592, 1655, 1791, 1986, 1990, 2388, 2648, 2880, 2979, 2985, 3184, 3310, 3582, 3972, 3980, 4776, 4965, 5296, 5958, 5970, 6368, 6620, 7164, 7944, 7960, 8955, 9552, 9930, 10592, 11916, 11940, 12736, 13240, 14328, 14895, 15888, 15920, 17910, 19104, 19860, 21184, 23832, 23880, 26480, 28656, 29790, 31776, 31840, 35820, 38208, 39720, 47664, 47760, 52960, 57312, 59580, 63552, 63680, 65869, 71640, 79440, 95328, 95520, 105920, 114624, 119160, 131738, 143280, 158880, 190656, 191040, 197607, 238320, 263476, 286560, 317760, 329345, 395214, 476640, 526952, 573120, 592821, 658690, 790428, 953280, 988035, 1053904, 1185642, 1317380, 1580856, 1976070, 2107808, 2371284, 2634760, 2964105, 3161712, 3952140, 4215616, 4742568, 5269520, 5928210, 6323424, 7904280, 9485136, 10539040, 11856420, 12646848, 15808560, 18970272, 21078080, 23712840, 31617120, 37940544, 47425680, 63234240, 94851360, 189702720]

約数ペア:

[(1, 189702720), (2, 94851360), (3, 63234240), (4, 47425680), (5, 37940544), (6, 31617120), (8, 23712840), (9, 21078080), (10, 18970272), (12, 15808560), (15, 12646848), (16, 11856420), (18, 10539040), (20, 9485136), (24, 7904280), (30, 6323424), (32, 5928210), (36, 5269520), (40, 4742568), (45, 4215616), (48, 3952140), (60, 3161712), (64, 2964105), (72, 2634760), (80, 2371284), (90, 2107808), (96, 1976070), (120, 1580856), (144, 1317380), (160, 1185642), (180, 1053904), (192, 988035), (199, 953280), (240, 790428), (288, 658690), (320, 592821), (331, 573120), (360, 526952), (398, 476640), (480, 395214), (576, 329345), (597, 317760), (662, 286560), (720, 263476), (796, 238320), (960, 197607), (993, 191040), (995, 190656), (1194, 158880), (1324, 143280), (1440, 131738), (1592, 119160), (1655, 114624), (1791, 105920), (1986, 95520), (1990, 95328), (2388, 79440), (2648, 71640), (2880, 65869), (2979, 63680), (2985, 63552), (3184, 59580), (3310, 57312), (3582, 52960), (3972, 47760), (3980, 47664), (4776, 39720), (4965, 38208), (5296, 35820), (5958, 31840), (5970, 31776), (6368, 29790), (6620, 28656), (7164, 26480), (7944, 23880), (7960, 23832), (8955, 21184), (9552, 19860), (9930, 19104), (10592, 17910), (11916, 15920), (11940, 15888), (12736, 14895), (13240, 14328)]