261675360

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 240

約数和(自身を含む): 941470992

約数和(自身を除く): 679795632

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, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 244, 270, 288, 305, 324, 331, 360, 366, 405, 432, 480, 488, 540, 549, 610, 648, 662, 720, 732, 810, 864, 915, 976, 993, 1080, 1098, 1220, 1296, 1324, 1440, 1464, 1620, 1647, 1655, 1830, 1952, 1986, 2160, 2196, 2440, 2592, 2648, 2745, 2928, 2979, 3240, 3294, 3310, 3660, 3972, 4320, 4392, 4880, 4941, 4965, 5296, 5490, 5856, 5958, 6480, 6588, 6620, 7320, 7944, 8235, 8784, 8937, 9760, 9882, 9930, 10592, 10980, 11916, 12960, 13176, 13240, 14640, 14895, 15888, 16470, 17568, 17874, 19764, 19860, 20191, 21960, 23832, 24705, 26352, 26480, 26811, 29280, 29790, 31776, 32940, 35748, 39528, 39720, 40382, 43920, 44685, 47664, 49410, 52704, 52960, 53622, 59580, 60573, 65880, 71496, 79056, 79440, 80764, 87840, 89370, 95328, 98820, 100955, 107244, 119160, 121146, 131760, 134055, 142992, 158112, 158880, 161528, 178740, 181719, 197640, 201910, 214488, 238320, 242292, 263520, 268110, 285984, 302865, 323056, 357480, 363438, 395280, 403820, 428976, 476640, 484584, 536220, 545157, 605730, 646112, 714960, 726876, 790560, 807640, 857952, 908595, 969168, 1072440, 1090314, 1211460, 1429920, 1453752, 1615280, 1635471, 1817190, 1938336, 2144880, 2180628, 2422920, 2725785, 2907504, 3230560, 3270942, 3634380, 4289760, 4361256, 4845840, 5451570, 5815008, 6541884, 7268760, 8177355, 8722512, 9691680, 10903140, 13083768, 14537520, 16354710, 17445024, 21806280, 26167536, 29075040, 32709420, 43612560, 52335072, 65418840, 87225120, 130837680, 261675360]

約数ペア:

[(1, 261675360), (2, 130837680), (3, 87225120), (4, 65418840), (5, 52335072), (6, 43612560), (8, 32709420), (9, 29075040), (10, 26167536), (12, 21806280), (15, 17445024), (16, 16354710), (18, 14537520), (20, 13083768), (24, 10903140), (27, 9691680), (30, 8722512), (32, 8177355), (36, 7268760), (40, 6541884), (45, 5815008), (48, 5451570), (54, 4845840), (60, 4361256), (61, 4289760), (72, 3634380), (80, 3270942), (81, 3230560), (90, 2907504), (96, 2725785), (108, 2422920), (120, 2180628), (122, 2144880), (135, 1938336), (144, 1817190), (160, 1635471), (162, 1615280), (180, 1453752), (183, 1429920), (216, 1211460), (240, 1090314), (244, 1072440), (270, 969168), (288, 908595), (305, 857952), (324, 807640), (331, 790560), (360, 726876), (366, 714960), (405, 646112), (432, 605730), (480, 545157), (488, 536220), (540, 484584), (549, 476640), (610, 428976), (648, 403820), (662, 395280), (720, 363438), (732, 357480), (810, 323056), (864, 302865), (915, 285984), (976, 268110), (993, 263520), (1080, 242292), (1098, 238320), (1220, 214488), (1296, 201910), (1324, 197640), (1440, 181719), (1464, 178740), (1620, 161528), (1647, 158880), (1655, 158112), (1830, 142992), (1952, 134055), (1986, 131760), (2160, 121146), (2196, 119160), (2440, 107244), (2592, 100955), (2648, 98820), (2745, 95328), (2928, 89370), (2979, 87840), (3240, 80764), (3294, 79440), (3310, 79056), (3660, 71496), (3972, 65880), (4320, 60573), (4392, 59580), (4880, 53622), (4941, 52960), (4965, 52704), (5296, 49410), (5490, 47664), (5856, 44685), (5958, 43920), (6480, 40382), (6588, 39720), (6620, 39528), (7320, 35748), (7944, 32940), (8235, 31776), (8784, 29790), (8937, 29280), (9760, 26811), (9882, 26480), (9930, 26352), (10592, 24705), (10980, 23832), (11916, 21960), (12960, 20191), (13176, 19860), (13240, 19764), (14640, 17874), (14895, 17568), (15888, 16470)]