31181760

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{401}}^1$

素因数の和:433

約数の個数: 168

約数和(自身を含む): 111501936

約数和(自身を除く): 80320176

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 401, 405, 432, 480, 486, 540, 576, 648, 720, 802, 810, 864, 960, 972, 1080, 1203, 1215, 1296, 1440, 1604, 1620, 1728, 1944, 2005, 2160, 2406, 2430, 2592, 2880, 3208, 3240, 3609, 3888, 4010, 4320, 4812, 4860, 5184, 6015, 6416, 6480, 7218, 7776, 8020, 8640, 9624, 9720, 10827, 12030, 12832, 12960, 14436, 15552, 16040, 18045, 19248, 19440, 21654, 24060, 25664, 25920, 28872, 32080, 32481, 36090, 38496, 38880, 43308, 48120, 54135, 57744, 64160, 64962, 72180, 76992, 77760, 86616, 96240, 97443, 108270, 115488, 128320, 129924, 144360, 162405, 173232, 192480, 194886, 216540, 230976, 259848, 288720, 324810, 346464, 384960, 389772, 433080, 487215, 519696, 577440, 649620, 692928, 779544, 866160, 974430, 1039392, 1154880, 1299240, 1559088, 1732320, 1948860, 2078784, 2598480, 3118176, 3464640, 3897720, 5196960, 6236352, 7795440, 10393920, 15590880, 31181760]

約数ペア:

[(1, 31181760), (2, 15590880), (3, 10393920), (4, 7795440), (5, 6236352), (6, 5196960), (8, 3897720), (9, 3464640), (10, 3118176), (12, 2598480), (15, 2078784), (16, 1948860), (18, 1732320), (20, 1559088), (24, 1299240), (27, 1154880), (30, 1039392), (32, 974430), (36, 866160), (40, 779544), (45, 692928), (48, 649620), (54, 577440), (60, 519696), (64, 487215), (72, 433080), (80, 389772), (81, 384960), (90, 346464), (96, 324810), (108, 288720), (120, 259848), (135, 230976), (144, 216540), (160, 194886), (162, 192480), (180, 173232), (192, 162405), (216, 144360), (240, 129924), (243, 128320), (270, 115488), (288, 108270), (320, 97443), (324, 96240), (360, 86616), (401, 77760), (405, 76992), (432, 72180), (480, 64962), (486, 64160), (540, 57744), (576, 54135), (648, 48120), (720, 43308), (802, 38880), (810, 38496), (864, 36090), (960, 32481), (972, 32080), (1080, 28872), (1203, 25920), (1215, 25664), (1296, 24060), (1440, 21654), (1604, 19440), (1620, 19248), (1728, 18045), (1944, 16040), (2005, 15552), (2160, 14436), (2406, 12960), (2430, 12832), (2592, 12030), (2880, 10827), (3208, 9720), (3240, 9624), (3609, 8640), (3888, 8020), (4010, 7776), (4320, 7218), (4812, 6480), (4860, 6416), (5184, 6015)]