181345920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 256

約数和(自身を含む): 672122880

約数和(自身を除く): 490776960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 103, 105, 112, 120, 128, 131, 140, 160, 168, 192, 206, 210, 224, 240, 262, 280, 309, 320, 336, 384, 393, 412, 420, 448, 480, 515, 524, 560, 618, 640, 655, 672, 721, 786, 824, 840, 896, 917, 960, 1030, 1048, 1120, 1236, 1310, 1344, 1442, 1545, 1572, 1648, 1680, 1834, 1920, 1965, 2060, 2096, 2163, 2240, 2472, 2620, 2688, 2751, 2884, 3090, 3144, 3296, 3360, 3605, 3668, 3930, 4120, 4192, 4326, 4480, 4585, 4944, 5240, 5502, 5768, 6180, 6288, 6592, 6720, 7210, 7336, 7860, 8240, 8384, 8652, 9170, 9888, 10480, 10815, 11004, 11536, 12360, 12576, 13184, 13440, 13493, 13755, 14420, 14672, 15720, 16480, 16768, 17304, 18340, 19776, 20960, 21630, 22008, 23072, 24720, 25152, 26986, 27510, 28840, 29344, 31440, 32960, 34608, 36680, 39552, 40479, 41920, 43260, 44016, 46144, 49440, 50304, 53972, 55020, 57680, 58688, 62880, 65920, 67465, 69216, 73360, 80958, 83840, 86520, 88032, 92288, 94451, 98880, 107944, 110040, 115360, 117376, 125760, 134930, 138432, 146720, 161916, 173040, 176064, 188902, 197760, 202395, 215888, 220080, 230720, 251520, 269860, 276864, 283353, 293440, 323832, 346080, 352128, 377804, 404790, 431776, 440160, 461440, 472255, 539720, 566706, 586880, 647664, 692160, 755608, 809580, 863552, 880320, 944510, 1079440, 1133412, 1295328, 1384320, 1416765, 1511216, 1619160, 1727104, 1760640, 1889020, 2158880, 2266824, 2590656, 2833530, 3022432, 3238320, 3778040, 4317760, 4533648, 5181312, 5667060, 6044864, 6476640, 7556080, 8635520, 9067296, 11334120, 12089728, 12953280, 15112160, 18134592, 22668240, 25906560, 30224320, 36269184, 45336480, 60448640, 90672960, 181345920]

約数ペア:

[(1, 181345920), (2, 90672960), (3, 60448640), (4, 45336480), (5, 36269184), (6, 30224320), (7, 25906560), (8, 22668240), (10, 18134592), (12, 15112160), (14, 12953280), (15, 12089728), (16, 11334120), (20, 9067296), (21, 8635520), (24, 7556080), (28, 6476640), (30, 6044864), (32, 5667060), (35, 5181312), (40, 4533648), (42, 4317760), (48, 3778040), (56, 3238320), (60, 3022432), (64, 2833530), (70, 2590656), (80, 2266824), (84, 2158880), (96, 1889020), (103, 1760640), (105, 1727104), (112, 1619160), (120, 1511216), (128, 1416765), (131, 1384320), (140, 1295328), (160, 1133412), (168, 1079440), (192, 944510), (206, 880320), (210, 863552), (224, 809580), (240, 755608), (262, 692160), (280, 647664), (309, 586880), (320, 566706), (336, 539720), (384, 472255), (393, 461440), (412, 440160), (420, 431776), (448, 404790), (480, 377804), (515, 352128), (524, 346080), (560, 323832), (618, 293440), (640, 283353), (655, 276864), (672, 269860), (721, 251520), (786, 230720), (824, 220080), (840, 215888), (896, 202395), (917, 197760), (960, 188902), (1030, 176064), (1048, 173040), (1120, 161916), (1236, 146720), (1310, 138432), (1344, 134930), (1442, 125760), (1545, 117376), (1572, 115360), (1648, 110040), (1680, 107944), (1834, 98880), (1920, 94451), (1965, 92288), (2060, 88032), (2096, 86520), (2163, 83840), (2240, 80958), (2472, 73360), (2620, 69216), (2688, 67465), (2751, 65920), (2884, 62880), (3090, 58688), (3144, 57680), (3296, 55020), (3360, 53972), (3605, 50304), (3668, 49440), (3930, 46144), (4120, 44016), (4192, 43260), (4326, 41920), (4480, 40479), (4585, 39552), (4944, 36680), (5240, 34608), (5502, 32960), (5768, 31440), (6180, 29344), (6288, 28840), (6592, 27510), (6720, 26986), (7210, 25152), (7336, 24720), (7860, 23072), (8240, 22008), (8384, 21630), (8652, 20960), (9170, 19776), (9888, 18340), (10480, 17304), (10815, 16768), (11004, 16480), (11536, 15720), (12360, 14672), (12576, 14420), (13184, 13755), (13440, 13493)]