243796560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{20731}}^1$

素因数の和:20761

約数の個数: 120

約数和(自身を含む): 879202656

約数和(自身を除く): 635406096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 20731, 41462, 62193, 82924, 103655, 124386, 145117, 165848, 207310, 248772, 290234, 310965, 331696, 414620, 435351, 497544, 580468, 621930, 725585, 829240, 870702, 995088, 1015819, 1160936, 1243860, 1451170, 1658480, 1741404, 2031638, 2176755, 2321872, 2487720, 2902340, 3047457, 3482808, 4063276, 4353510, 4975440, 5079095, 5804680, 6094914, 6965616, 8126552, 8707020, 10158190, 11609360, 12189828, 15237285, 16253104, 17414040, 20316380, 24379656, 30474570, 34828080, 40632760, 48759312, 60949140, 81265520, 121898280, 243796560]

約数ペア:

[(1, 243796560), (2, 121898280), (3, 81265520), (4, 60949140), (5, 48759312), (6, 40632760), (7, 34828080), (8, 30474570), (10, 24379656), (12, 20316380), (14, 17414040), (15, 16253104), (16, 15237285), (20, 12189828), (21, 11609360), (24, 10158190), (28, 8707020), (30, 8126552), (35, 6965616), (40, 6094914), (42, 5804680), (48, 5079095), (49, 4975440), (56, 4353510), (60, 4063276), (70, 3482808), (80, 3047457), (84, 2902340), (98, 2487720), (105, 2321872), (112, 2176755), (120, 2031638), (140, 1741404), (147, 1658480), (168, 1451170), (196, 1243860), (210, 1160936), (240, 1015819), (245, 995088), (280, 870702), (294, 829240), (336, 725585), (392, 621930), (420, 580468), (490, 497544), (560, 435351), (588, 414620), (735, 331696), (784, 310965), (840, 290234), (980, 248772), (1176, 207310), (1470, 165848), (1680, 145117), (1960, 124386), (2352, 103655), (2940, 82924), (3920, 62193), (5880, 41462), (11760, 20731)]