68669280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1173

約数の個数: 144

約数和(自身を含む): 239999760

約数和(自身を除く): 171330480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1109, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2218, 2580, 3096, 3327, 3440, 3870, 4128, 4436, 5160, 5545, 6192, 6654, 6880, 7740, 8872, 9981, 10320, 11090, 12384, 13308, 15480, 16635, 17744, 19962, 20640, 22180, 26616, 30960, 33270, 35488, 39924, 44360, 47687, 49905, 53232, 61920, 66540, 79848, 88720, 95374, 99810, 106464, 133080, 143061, 159696, 177440, 190748, 199620, 238435, 266160, 286122, 319392, 381496, 399240, 429183, 476870, 532320, 572244, 715305, 762992, 798480, 858366, 953740, 1144488, 1430610, 1525984, 1596960, 1716732, 1907480, 2145915, 2288976, 2861220, 3433464, 3814960, 4291830, 4577952, 5722440, 6866928, 7629920, 8583660, 11444880, 13733856, 17167320, 22889760, 34334640, 68669280]

約数ペア:

[(1, 68669280), (2, 34334640), (3, 22889760), (4, 17167320), (5, 13733856), (6, 11444880), (8, 8583660), (9, 7629920), (10, 6866928), (12, 5722440), (15, 4577952), (16, 4291830), (18, 3814960), (20, 3433464), (24, 2861220), (30, 2288976), (32, 2145915), (36, 1907480), (40, 1716732), (43, 1596960), (45, 1525984), (48, 1430610), (60, 1144488), (72, 953740), (80, 858366), (86, 798480), (90, 762992), (96, 715305), (120, 572244), (129, 532320), (144, 476870), (160, 429183), (172, 399240), (180, 381496), (215, 319392), (240, 286122), (258, 266160), (288, 238435), (344, 199620), (360, 190748), (387, 177440), (430, 159696), (480, 143061), (516, 133080), (645, 106464), (688, 99810), (720, 95374), (774, 88720), (860, 79848), (1032, 66540), (1109, 61920), (1290, 53232), (1376, 49905), (1440, 47687), (1548, 44360), (1720, 39924), (1935, 35488), (2064, 33270), (2218, 30960), (2580, 26616), (3096, 22180), (3327, 20640), (3440, 19962), (3870, 17744), (4128, 16635), (4436, 15480), (5160, 13308), (5545, 12384), (6192, 11090), (6654, 10320), (6880, 9981), (7740, 8872)]