81410560

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 240

約数和(自身を含む): 251903520

約数和(自身を除く): 170492960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 59, 64, 70, 77, 80, 88, 98, 110, 112, 118, 128, 140, 154, 160, 176, 196, 220, 224, 236, 245, 256, 280, 295, 308, 320, 352, 385, 392, 413, 440, 448, 472, 490, 512, 539, 560, 590, 616, 640, 649, 704, 770, 784, 826, 880, 896, 944, 980, 1078, 1120, 1180, 1232, 1280, 1298, 1408, 1540, 1568, 1652, 1760, 1792, 1888, 1960, 2065, 2156, 2240, 2360, 2464, 2560, 2596, 2695, 2816, 2891, 3080, 3136, 3245, 3304, 3520, 3584, 3776, 3920, 4130, 4312, 4480, 4543, 4720, 4928, 5192, 5390, 5632, 5782, 6160, 6272, 6490, 6608, 7040, 7552, 7840, 8260, 8624, 8960, 9086, 9440, 9856, 10384, 10780, 11564, 12320, 12544, 12980, 13216, 14080, 14455, 15104, 15680, 16520, 17248, 17920, 18172, 18880, 19712, 20768, 21560, 22715, 23128, 24640, 25088, 25960, 26432, 28160, 28910, 30208, 31360, 31801, 33040, 34496, 36344, 37760, 39424, 41536, 43120, 45430, 46256, 49280, 51920, 52864, 57820, 62720, 63602, 66080, 68992, 72688, 75520, 83072, 86240, 90860, 92512, 98560, 103840, 105728, 115640, 125440, 127204, 132160, 137984, 145376, 151040, 159005, 166144, 172480, 181720, 185024, 197120, 207680, 211456, 231280, 254408, 264320, 275968, 290752, 318010, 332288, 344960, 363440, 370048, 415360, 462560, 508816, 528640, 581504, 636020, 689920, 726880, 740096, 830720, 925120, 1017632, 1057280, 1163008, 1272040, 1379840, 1453760, 1480192, 1661440, 1850240, 2035264, 2326016, 2544080, 2907520, 3700480, 4070528, 5088160, 5815040, 7400960, 8141056, 10176320, 11630080, 16282112, 20352640, 40705280, 81410560]

約数ペア:

[(1, 81410560), (2, 40705280), (4, 20352640), (5, 16282112), (7, 11630080), (8, 10176320), (10, 8141056), (11, 7400960), (14, 5815040), (16, 5088160), (20, 4070528), (22, 3700480), (28, 2907520), (32, 2544080), (35, 2326016), (40, 2035264), (44, 1850240), (49, 1661440), (55, 1480192), (56, 1453760), (59, 1379840), (64, 1272040), (70, 1163008), (77, 1057280), (80, 1017632), (88, 925120), (98, 830720), (110, 740096), (112, 726880), (118, 689920), (128, 636020), (140, 581504), (154, 528640), (160, 508816), (176, 462560), (196, 415360), (220, 370048), (224, 363440), (236, 344960), (245, 332288), (256, 318010), (280, 290752), (295, 275968), (308, 264320), (320, 254408), (352, 231280), (385, 211456), (392, 207680), (413, 197120), (440, 185024), (448, 181720), (472, 172480), (490, 166144), (512, 159005), (539, 151040), (560, 145376), (590, 137984), (616, 132160), (640, 127204), (649, 125440), (704, 115640), (770, 105728), (784, 103840), (826, 98560), (880, 92512), (896, 90860), (944, 86240), (980, 83072), (1078, 75520), (1120, 72688), (1180, 68992), (1232, 66080), (1280, 63602), (1298, 62720), (1408, 57820), (1540, 52864), (1568, 51920), (1652, 49280), (1760, 46256), (1792, 45430), (1888, 43120), (1960, 41536), (2065, 39424), (2156, 37760), (2240, 36344), (2360, 34496), (2464, 33040), (2560, 31801), (2596, 31360), (2695, 30208), (2816, 28910), (2891, 28160), (3080, 26432), (3136, 25960), (3245, 25088), (3304, 24640), (3520, 23128), (3584, 22715), (3776, 21560), (3920, 20768), (4130, 19712), (4312, 18880), (4480, 18172), (4543, 17920), (4720, 17248), (4928, 16520), (5192, 15680), (5390, 15104), (5632, 14455), (5782, 14080), (6160, 13216), (6272, 12980), (6490, 12544), (6608, 12320), (7040, 11564), (7552, 10780), (7840, 10384), (8260, 9856), (8624, 9440), (8960, 9086)]