231511280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 320

約数和(自身を含む): 749952000

約数和(自身を除く): 518440720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 59, 65, 70, 77, 80, 88, 91, 98, 104, 110, 112, 118, 130, 140, 143, 154, 176, 182, 196, 208, 220, 236, 245, 260, 280, 286, 295, 308, 343, 364, 385, 392, 413, 440, 455, 472, 490, 520, 539, 560, 572, 590, 616, 637, 649, 686, 715, 728, 767, 770, 784, 826, 880, 910, 944, 980, 1001, 1040, 1078, 1144, 1180, 1232, 1274, 1298, 1372, 1430, 1456, 1534, 1540, 1652, 1715, 1820, 1960, 2002, 2065, 2156, 2288, 2360, 2548, 2596, 2695, 2744, 2860, 2891, 3068, 3080, 3185, 3245, 3304, 3430, 3640, 3773, 3835, 3920, 4004, 4130, 4312, 4459, 4543, 4720, 5005, 5096, 5192, 5369, 5390, 5488, 5720, 5782, 6136, 6160, 6370, 6490, 6608, 6860, 7007, 7280, 7546, 7670, 8008, 8260, 8437, 8624, 8918, 9086, 10010, 10192, 10384, 10738, 10780, 11440, 11564, 12272, 12740, 12980, 13720, 14014, 14455, 15092, 15340, 16016, 16520, 16874, 17836, 18172, 18865, 20020, 20237, 21476, 21560, 22295, 22715, 23128, 25480, 25960, 26845, 27440, 28028, 28910, 30184, 30680, 31801, 33040, 33748, 35035, 35672, 36344, 37583, 37730, 40040, 40474, 42185, 42952, 43120, 44590, 45430, 46256, 49049, 50960, 51920, 53690, 56056, 57820, 59059, 60368, 61360, 63602, 67496, 70070, 71344, 72688, 75166, 75460, 80080, 80948, 84370, 85904, 89180, 90860, 98098, 101185, 107380, 112112, 115640, 118118, 127204, 134992, 140140, 150332, 150920, 159005, 161896, 168740, 178360, 181720, 187915, 196196, 202370, 214760, 222607, 231280, 236236, 245245, 254408, 263081, 280280, 295295, 300664, 301840, 318010, 323792, 337480, 356720, 363440, 375830, 392392, 404740, 413413, 429520, 445214, 472472, 490490, 508816, 526162, 560560, 590590, 601328, 636020, 674960, 751660, 784784, 809480, 826826, 890428, 944944, 980980, 1052324, 1113035, 1181180, 1272040, 1315405, 1503320, 1618960, 1653652, 1780856, 1961960, 2067065, 2104648, 2226070, 2362360, 2544080, 2630810, 2893891, 3006640, 3307304, 3561712, 3923920, 4134130, 4209296, 4452140, 4724720, 5261620, 5787782, 6614608, 8268260, 8904280, 10523240, 11575564, 14469455, 16536520, 17808560, 21046480, 23151128, 28938910, 33073040, 46302256, 57877820, 115755640, 231511280]

約数ペア:

[(1, 231511280), (2, 115755640), (4, 57877820), (5, 46302256), (7, 33073040), (8, 28938910), (10, 23151128), (11, 21046480), (13, 17808560), (14, 16536520), (16, 14469455), (20, 11575564), (22, 10523240), (26, 8904280), (28, 8268260), (35, 6614608), (40, 5787782), (44, 5261620), (49, 4724720), (52, 4452140), (55, 4209296), (56, 4134130), (59, 3923920), (65, 3561712), (70, 3307304), (77, 3006640), (80, 2893891), (88, 2630810), (91, 2544080), (98, 2362360), (104, 2226070), (110, 2104648), (112, 2067065), (118, 1961960), (130, 1780856), (140, 1653652), (143, 1618960), (154, 1503320), (176, 1315405), (182, 1272040), (196, 1181180), (208, 1113035), (220, 1052324), (236, 980980), (245, 944944), (260, 890428), (280, 826826), (286, 809480), (295, 784784), (308, 751660), (343, 674960), (364, 636020), (385, 601328), (392, 590590), (413, 560560), (440, 526162), (455, 508816), (472, 490490), (490, 472472), (520, 445214), (539, 429520), (560, 413413), (572, 404740), (590, 392392), (616, 375830), (637, 363440), (649, 356720), (686, 337480), (715, 323792), (728, 318010), (767, 301840), (770, 300664), (784, 295295), (826, 280280), (880, 263081), (910, 254408), (944, 245245), (980, 236236), (1001, 231280), (1040, 222607), (1078, 214760), (1144, 202370), (1180, 196196), (1232, 187915), (1274, 181720), (1298, 178360), (1372, 168740), (1430, 161896), (1456, 159005), (1534, 150920), (1540, 150332), (1652, 140140), (1715, 134992), (1820, 127204), (1960, 118118), (2002, 115640), (2065, 112112), (2156, 107380), (2288, 101185), (2360, 98098), (2548, 90860), (2596, 89180), (2695, 85904), (2744, 84370), (2860, 80948), (2891, 80080), (3068, 75460), (3080, 75166), (3185, 72688), (3245, 71344), (3304, 70070), (3430, 67496), (3640, 63602), (3773, 61360), (3835, 60368), (3920, 59059), (4004, 57820), (4130, 56056), (4312, 53690), (4459, 51920), (4543, 50960), (4720, 49049), (5005, 46256), (5096, 45430), (5192, 44590), (5369, 43120), (5390, 42952), (5488, 42185), (5720, 40474), (5782, 40040), (6136, 37730), (6160, 37583), (6370, 36344), (6490, 35672), (6608, 35035), (6860, 33748), (7007, 33040), (7280, 31801), (7546, 30680), (7670, 30184), (8008, 28910), (8260, 28028), (8437, 27440), (8624, 26845), (8918, 25960), (9086, 25480), (10010, 23128), (10192, 22715), (10384, 22295), (10738, 21560), (10780, 21476), (11440, 20237), (11564, 20020), (12272, 18865), (12740, 18172), (12980, 17836), (13720, 16874), (14014, 16520), (14455, 16016), (15092, 15340)]