131309280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1449

約数の個数: 144

約数和(自身を含む): 455115024

約数和(自身を除く): 323805744

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, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 201, 240, 268, 288, 335, 360, 402, 480, 536, 603, 670, 720, 804, 1005, 1072, 1206, 1340, 1361, 1440, 1608, 2010, 2144, 2412, 2680, 2722, 3015, 3216, 4020, 4083, 4824, 5360, 5444, 6030, 6432, 6805, 8040, 8166, 9648, 10720, 10888, 12060, 12249, 13610, 16080, 16332, 19296, 20415, 21776, 24120, 24498, 27220, 32160, 32664, 40830, 43552, 48240, 48996, 54440, 61245, 65328, 81660, 91187, 96480, 97992, 108880, 122490, 130656, 163320, 182374, 195984, 217760, 244980, 273561, 326640, 364748, 391968, 455935, 489960, 547122, 653280, 729496, 820683, 911870, 979920, 1094244, 1367805, 1458992, 1641366, 1823740, 1959840, 2188488, 2735610, 2917984, 3282732, 3647480, 4103415, 4376976, 5471220, 6565464, 7294960, 8206830, 8753952, 10942440, 13130928, 14589920, 16413660, 21884880, 26261856, 32827320, 43769760, 65654640, 131309280]

約数ペア:

[(1, 131309280), (2, 65654640), (3, 43769760), (4, 32827320), (5, 26261856), (6, 21884880), (8, 16413660), (9, 14589920), (10, 13130928), (12, 10942440), (15, 8753952), (16, 8206830), (18, 7294960), (20, 6565464), (24, 5471220), (30, 4376976), (32, 4103415), (36, 3647480), (40, 3282732), (45, 2917984), (48, 2735610), (60, 2188488), (67, 1959840), (72, 1823740), (80, 1641366), (90, 1458992), (96, 1367805), (120, 1094244), (134, 979920), (144, 911870), (160, 820683), (180, 729496), (201, 653280), (240, 547122), (268, 489960), (288, 455935), (335, 391968), (360, 364748), (402, 326640), (480, 273561), (536, 244980), (603, 217760), (670, 195984), (720, 182374), (804, 163320), (1005, 130656), (1072, 122490), (1206, 108880), (1340, 97992), (1361, 96480), (1440, 91187), (1608, 81660), (2010, 65328), (2144, 61245), (2412, 54440), (2680, 48996), (2722, 48240), (3015, 43552), (3216, 40830), (4020, 32664), (4083, 32160), (4824, 27220), (5360, 24498), (5444, 24120), (6030, 21776), (6432, 20415), (6805, 19296), (8040, 16332), (8166, 16080), (9648, 13610), (10720, 12249), (10888, 12060)]