642369728

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 224

約数和(自身を含む): 1764231168

約数和(自身を除く): 1121861440

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 37, 44, 52, 56, 64, 74, 77, 88, 91, 104, 112, 143, 148, 154, 176, 182, 208, 224, 259, 271, 286, 296, 308, 352, 364, 407, 416, 448, 481, 518, 542, 572, 592, 616, 704, 728, 814, 832, 962, 1001, 1036, 1084, 1144, 1184, 1232, 1456, 1628, 1897, 1924, 2002, 2072, 2168, 2288, 2368, 2464, 2849, 2912, 2981, 3256, 3367, 3523, 3794, 3848, 4004, 4144, 4336, 4576, 4928, 5291, 5698, 5824, 5962, 6512, 6734, 7046, 7588, 7696, 8008, 8288, 8672, 9152, 10027, 10582, 11396, 11924, 13024, 13468, 14092, 15176, 15392, 16016, 16576, 17344, 20054, 20867, 21164, 22792, 23848, 24661, 26048, 26936, 28184, 30352, 30784, 32032, 37037, 38753, 40108, 41734, 42328, 45584, 47696, 49322, 53872, 56368, 60704, 64064, 70189, 74074, 77506, 80216, 83468, 84656, 91168, 95392, 98644, 107744, 110297, 112736, 121408, 130351, 140378, 148148, 155012, 160432, 166936, 169312, 182336, 190784, 197288, 215488, 220594, 225472, 260702, 271271, 280756, 296296, 310024, 320864, 333872, 338624, 394576, 441188, 521404, 542542, 561512, 592592, 620048, 641728, 667744, 772079, 789152, 882376, 912457, 1042808, 1085084, 1123024, 1185184, 1240096, 1335488, 1433861, 1544158, 1578304, 1764752, 1824914, 2085616, 2170168, 2246048, 2370368, 2480192, 2867722, 3088316, 3529504, 3649828, 4171232, 4340336, 4492096, 5735444, 6176632, 7059008, 7299656, 8342464, 8680672, 10037027, 11470888, 12353264, 14599312, 17361344, 20074054, 22941776, 24706528, 29198624, 40148108, 45883552, 49413056, 58397248, 80296216, 91767104, 160592432, 321184864, 642369728]

約数ペア:

[(1, 642369728), (2, 321184864), (4, 160592432), (7, 91767104), (8, 80296216), (11, 58397248), (13, 49413056), (14, 45883552), (16, 40148108), (22, 29198624), (26, 24706528), (28, 22941776), (32, 20074054), (37, 17361344), (44, 14599312), (52, 12353264), (56, 11470888), (64, 10037027), (74, 8680672), (77, 8342464), (88, 7299656), (91, 7059008), (104, 6176632), (112, 5735444), (143, 4492096), (148, 4340336), (154, 4171232), (176, 3649828), (182, 3529504), (208, 3088316), (224, 2867722), (259, 2480192), (271, 2370368), (286, 2246048), (296, 2170168), (308, 2085616), (352, 1824914), (364, 1764752), (407, 1578304), (416, 1544158), (448, 1433861), (481, 1335488), (518, 1240096), (542, 1185184), (572, 1123024), (592, 1085084), (616, 1042808), (704, 912457), (728, 882376), (814, 789152), (832, 772079), (962, 667744), (1001, 641728), (1036, 620048), (1084, 592592), (1144, 561512), (1184, 542542), (1232, 521404), (1456, 441188), (1628, 394576), (1897, 338624), (1924, 333872), (2002, 320864), (2072, 310024), (2168, 296296), (2288, 280756), (2368, 271271), (2464, 260702), (2849, 225472), (2912, 220594), (2981, 215488), (3256, 197288), (3367, 190784), (3523, 182336), (3794, 169312), (3848, 166936), (4004, 160432), (4144, 155012), (4336, 148148), (4576, 140378), (4928, 130351), (5291, 121408), (5698, 112736), (5824, 110297), (5962, 107744), (6512, 98644), (6734, 95392), (7046, 91168), (7588, 84656), (7696, 83468), (8008, 80216), (8288, 77506), (8672, 74074), (9152, 70189), (10027, 64064), (10582, 60704), (11396, 56368), (11924, 53872), (13024, 49322), (13468, 47696), (14092, 45584), (15176, 42328), (15392, 41734), (16016, 40108), (16576, 38753), (17344, 37037), (20054, 32032), (20867, 30784), (21164, 30352), (22792, 28184), (23848, 26936), (24661, 26048)]