204709120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 640475136

約数和(自身を除く): 435766016

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 64, 67, 70, 77, 80, 88, 110, 112, 124, 128, 134, 140, 154, 155, 160, 176, 217, 220, 224, 248, 256, 268, 280, 308, 310, 320, 335, 341, 352, 385, 434, 440, 448, 469, 496, 536, 560, 616, 620, 640, 670, 682, 704, 737, 770, 868, 880, 896, 938, 992, 1072, 1085, 1120, 1232, 1240, 1280, 1340, 1364, 1408, 1474, 1540, 1705, 1736, 1760, 1792, 1876, 1984, 2077, 2144, 2170, 2240, 2345, 2387, 2464, 2480, 2680, 2728, 2816, 2948, 3080, 3410, 3472, 3520, 3685, 3752, 3968, 4154, 4288, 4340, 4480, 4690, 4774, 4928, 4960, 5159, 5360, 5456, 5896, 6160, 6820, 6944, 7040, 7370, 7504, 7936, 8308, 8576, 8680, 8960, 9380, 9548, 9856, 9920, 10318, 10385, 10720, 10912, 11792, 11935, 12320, 13640, 13888, 14080, 14539, 14740, 15008, 16616, 17152, 17360, 18760, 19096, 19712, 19840, 20636, 20770, 21440, 21824, 22847, 23584, 23870, 24640, 25795, 27280, 27776, 29078, 29480, 30016, 33232, 34720, 37520, 38192, 39680, 41272, 41540, 42880, 43648, 45694, 47168, 47740, 49280, 51590, 54560, 55552, 58156, 58960, 60032, 66464, 69440, 72695, 75040, 76384, 82544, 83080, 85760, 87296, 91388, 94336, 95480, 98560, 103180, 109120, 114235, 116312, 117920, 120064, 132928, 138880, 145390, 150080, 152768, 159929, 165088, 166160, 182776, 188672, 190960, 206360, 218240, 228470, 232624, 235840, 265856, 277760, 290780, 300160, 305536, 319858, 330176, 332320, 365552, 381920, 412720, 436480, 456940, 465248, 471680, 531712, 581560, 600320, 611072, 639716, 660352, 664640, 731104, 763840, 799645, 825440, 913880, 930496, 943360, 1163120, 1279432, 1320704, 1329280, 1462208, 1527680, 1599290, 1650880, 1827760, 1860992, 2326240, 2558864, 2658560, 2924416, 3055360, 3198580, 3301760, 3655520, 3721984, 4652480, 5117728, 5848832, 6397160, 6603520, 7311040, 9304960, 10235456, 12794320, 14622080, 18609920, 20470912, 25588640, 29244160, 40941824, 51177280, 102354560, 204709120]

約数ペア:

[(1, 204709120), (2, 102354560), (4, 51177280), (5, 40941824), (7, 29244160), (8, 25588640), (10, 20470912), (11, 18609920), (14, 14622080), (16, 12794320), (20, 10235456), (22, 9304960), (28, 7311040), (31, 6603520), (32, 6397160), (35, 5848832), (40, 5117728), (44, 4652480), (55, 3721984), (56, 3655520), (62, 3301760), (64, 3198580), (67, 3055360), (70, 2924416), (77, 2658560), (80, 2558864), (88, 2326240), (110, 1860992), (112, 1827760), (124, 1650880), (128, 1599290), (134, 1527680), (140, 1462208), (154, 1329280), (155, 1320704), (160, 1279432), (176, 1163120), (217, 943360), (220, 930496), (224, 913880), (248, 825440), (256, 799645), (268, 763840), (280, 731104), (308, 664640), (310, 660352), (320, 639716), (335, 611072), (341, 600320), (352, 581560), (385, 531712), (434, 471680), (440, 465248), (448, 456940), (469, 436480), (496, 412720), (536, 381920), (560, 365552), (616, 332320), (620, 330176), (640, 319858), (670, 305536), (682, 300160), (704, 290780), (737, 277760), (770, 265856), (868, 235840), (880, 232624), (896, 228470), (938, 218240), (992, 206360), (1072, 190960), (1085, 188672), (1120, 182776), (1232, 166160), (1240, 165088), (1280, 159929), (1340, 152768), (1364, 150080), (1408, 145390), (1474, 138880), (1540, 132928), (1705, 120064), (1736, 117920), (1760, 116312), (1792, 114235), (1876, 109120), (1984, 103180), (2077, 98560), (2144, 95480), (2170, 94336), (2240, 91388), (2345, 87296), (2387, 85760), (2464, 83080), (2480, 82544), (2680, 76384), (2728, 75040), (2816, 72695), (2948, 69440), (3080, 66464), (3410, 60032), (3472, 58960), (3520, 58156), (3685, 55552), (3752, 54560), (3968, 51590), (4154, 49280), (4288, 47740), (4340, 47168), (4480, 45694), (4690, 43648), (4774, 42880), (4928, 41540), (4960, 41272), (5159, 39680), (5360, 38192), (5456, 37520), (5896, 34720), (6160, 33232), (6820, 30016), (6944, 29480), (7040, 29078), (7370, 27776), (7504, 27280), (7936, 25795), (8308, 24640), (8576, 23870), (8680, 23584), (8960, 22847), (9380, 21824), (9548, 21440), (9856, 20770), (9920, 20636), (10318, 19840), (10385, 19712), (10720, 19096), (10912, 18760), (11792, 17360), (11935, 17152), (12320, 16616), (13640, 15008), (13888, 14740), (14080, 14539)]