128778048

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:126

約数の個数: 252

約数和(自身を含む): 455147680

約数和(自身を除く): 326369632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 41, 42, 48, 56, 57, 63, 64, 72, 76, 82, 84, 96, 112, 114, 123, 126, 133, 144, 152, 164, 168, 171, 192, 224, 228, 246, 252, 266, 287, 288, 304, 328, 336, 342, 369, 399, 448, 456, 492, 504, 532, 574, 576, 608, 656, 672, 684, 738, 779, 798, 861, 912, 984, 1008, 1064, 1148, 1197, 1216, 1312, 1344, 1368, 1476, 1558, 1596, 1681, 1722, 1824, 1968, 2016, 2128, 2296, 2337, 2394, 2583, 2624, 2736, 2952, 3116, 3192, 3362, 3444, 3648, 3936, 4032, 4256, 4592, 4674, 4788, 5043, 5166, 5453, 5472, 5904, 6232, 6384, 6724, 6888, 7011, 7872, 8512, 9184, 9348, 9576, 10086, 10332, 10906, 10944, 11767, 11808, 12464, 12768, 13448, 13776, 14022, 15129, 16359, 18368, 18696, 19152, 20172, 20664, 21812, 23534, 23616, 24928, 25536, 26896, 27552, 28044, 30258, 31939, 32718, 35301, 37392, 38304, 40344, 41328, 43624, 47068, 49077, 49856, 53792, 55104, 56088, 60516, 63878, 65436, 70602, 74784, 76608, 80688, 82656, 87248, 94136, 95817, 98154, 105903, 107584, 112176, 121032, 127756, 130872, 141204, 149568, 161376, 165312, 174496, 188272, 191634, 196308, 211806, 223573, 224352, 242064, 255512, 261744, 282408, 287451, 322752, 348992, 376544, 383268, 392616, 423612, 447146, 448704, 484128, 511024, 523488, 564816, 574902, 670719, 753088, 766536, 785232, 847224, 894292, 968256, 1022048, 1046976, 1129632, 1149804, 1341438, 1533072, 1570464, 1694448, 1788584, 2012157, 2044096, 2259264, 2299608, 2682876, 3066144, 3140928, 3388896, 3577168, 4024314, 4599216, 5365752, 6132288, 6777792, 7154336, 8048628, 9198432, 10731504, 14308672, 16097256, 18396864, 21463008, 32194512, 42926016, 64389024, 128778048]

約数ペア:

[(1, 128778048), (2, 64389024), (3, 42926016), (4, 32194512), (6, 21463008), (7, 18396864), (8, 16097256), (9, 14308672), (12, 10731504), (14, 9198432), (16, 8048628), (18, 7154336), (19, 6777792), (21, 6132288), (24, 5365752), (28, 4599216), (32, 4024314), (36, 3577168), (38, 3388896), (41, 3140928), (42, 3066144), (48, 2682876), (56, 2299608), (57, 2259264), (63, 2044096), (64, 2012157), (72, 1788584), (76, 1694448), (82, 1570464), (84, 1533072), (96, 1341438), (112, 1149804), (114, 1129632), (123, 1046976), (126, 1022048), (133, 968256), (144, 894292), (152, 847224), (164, 785232), (168, 766536), (171, 753088), (192, 670719), (224, 574902), (228, 564816), (246, 523488), (252, 511024), (266, 484128), (287, 448704), (288, 447146), (304, 423612), (328, 392616), (336, 383268), (342, 376544), (369, 348992), (399, 322752), (448, 287451), (456, 282408), (492, 261744), (504, 255512), (532, 242064), (574, 224352), (576, 223573), (608, 211806), (656, 196308), (672, 191634), (684, 188272), (738, 174496), (779, 165312), (798, 161376), (861, 149568), (912, 141204), (984, 130872), (1008, 127756), (1064, 121032), (1148, 112176), (1197, 107584), (1216, 105903), (1312, 98154), (1344, 95817), (1368, 94136), (1476, 87248), (1558, 82656), (1596, 80688), (1681, 76608), (1722, 74784), (1824, 70602), (1968, 65436), (2016, 63878), (2128, 60516), (2296, 56088), (2337, 55104), (2394, 53792), (2583, 49856), (2624, 49077), (2736, 47068), (2952, 43624), (3116, 41328), (3192, 40344), (3362, 38304), (3444, 37392), (3648, 35301), (3936, 32718), (4032, 31939), (4256, 30258), (4592, 28044), (4674, 27552), (4788, 26896), (5043, 25536), (5166, 24928), (5453, 23616), (5472, 23534), (5904, 21812), (6232, 20664), (6384, 20172), (6724, 19152), (6888, 18696), (7011, 18368), (7872, 16359), (8512, 15129), (9184, 14022), (9348, 13776), (9576, 13448), (10086, 12768), (10332, 12464), (10906, 11808), (10944, 11767)]