138657456

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:528

約数の個数: 180

約数和(自身を含む): 462911592

約数和(自身を除く): 324254136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 43, 48, 49, 56, 63, 72, 84, 86, 98, 112, 126, 129, 144, 147, 168, 172, 196, 252, 258, 294, 301, 336, 344, 387, 392, 441, 457, 504, 516, 588, 602, 688, 774, 784, 882, 903, 914, 1008, 1032, 1176, 1204, 1371, 1548, 1764, 1806, 1828, 2064, 2107, 2352, 2408, 2709, 2742, 3096, 3199, 3528, 3612, 3656, 4113, 4214, 4816, 5418, 5484, 6192, 6321, 6398, 7056, 7224, 7312, 8226, 8428, 9597, 10836, 10968, 12642, 12796, 14448, 16452, 16856, 18963, 19194, 19651, 21672, 21936, 22393, 25284, 25592, 28791, 32904, 33712, 37926, 38388, 39302, 43344, 44786, 50568, 51184, 57582, 58953, 65808, 67179, 75852, 76776, 78604, 89572, 101136, 115164, 117906, 134358, 137557, 151704, 153552, 157208, 176859, 179144, 201537, 230328, 235812, 268716, 275114, 303408, 314416, 353718, 358288, 403074, 412671, 460656, 471624, 537432, 550228, 707436, 806148, 825342, 943248, 962899, 1074864, 1100456, 1238013, 1414872, 1612296, 1650684, 1925798, 2200912, 2476026, 2829744, 2888697, 3224592, 3301368, 3851596, 4952052, 5777394, 6602736, 7703192, 8666091, 9904104, 11554788, 15406384, 17332182, 19808208, 23109576, 34664364, 46219152, 69328728, 138657456]

約数ペア:

[(1, 138657456), (2, 69328728), (3, 46219152), (4, 34664364), (6, 23109576), (7, 19808208), (8, 17332182), (9, 15406384), (12, 11554788), (14, 9904104), (16, 8666091), (18, 7703192), (21, 6602736), (24, 5777394), (28, 4952052), (36, 3851596), (42, 3301368), (43, 3224592), (48, 2888697), (49, 2829744), (56, 2476026), (63, 2200912), (72, 1925798), (84, 1650684), (86, 1612296), (98, 1414872), (112, 1238013), (126, 1100456), (129, 1074864), (144, 962899), (147, 943248), (168, 825342), (172, 806148), (196, 707436), (252, 550228), (258, 537432), (294, 471624), (301, 460656), (336, 412671), (344, 403074), (387, 358288), (392, 353718), (441, 314416), (457, 303408), (504, 275114), (516, 268716), (588, 235812), (602, 230328), (688, 201537), (774, 179144), (784, 176859), (882, 157208), (903, 153552), (914, 151704), (1008, 137557), (1032, 134358), (1176, 117906), (1204, 115164), (1371, 101136), (1548, 89572), (1764, 78604), (1806, 76776), (1828, 75852), (2064, 67179), (2107, 65808), (2352, 58953), (2408, 57582), (2709, 51184), (2742, 50568), (3096, 44786), (3199, 43344), (3528, 39302), (3612, 38388), (3656, 37926), (4113, 33712), (4214, 32904), (4816, 28791), (5418, 25592), (5484, 25284), (6192, 22393), (6321, 21936), (6398, 21672), (7056, 19651), (7224, 19194), (7312, 18963), (8226, 16856), (8428, 16452), (9597, 14448), (10836, 12796), (10968, 12642)]