257506704

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:534

約数の個数: 240

約数和(自身を含む): 909580672

約数和(自身を除く): 652073968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 43, 48, 52, 56, 63, 72, 78, 84, 86, 91, 104, 112, 117, 126, 129, 144, 156, 168, 172, 182, 208, 234, 252, 258, 273, 301, 312, 336, 344, 364, 387, 457, 468, 504, 516, 546, 559, 602, 624, 688, 728, 774, 819, 903, 914, 936, 1008, 1032, 1092, 1118, 1204, 1371, 1456, 1548, 1638, 1677, 1806, 1828, 1872, 2064, 2184, 2236, 2408, 2709, 2742, 3096, 3199, 3276, 3354, 3612, 3656, 3913, 4113, 4368, 4472, 4816, 5031, 5418, 5484, 5941, 6192, 6398, 6552, 6708, 7224, 7312, 7826, 8226, 8944, 9597, 10062, 10836, 10968, 11739, 11882, 12796, 13104, 13416, 14448, 15652, 16452, 17823, 19194, 19651, 20124, 21672, 21936, 23478, 23764, 25592, 26832, 28791, 31304, 32904, 35217, 35646, 38388, 39302, 40248, 41587, 43344, 46956, 47528, 51184, 53469, 57582, 58953, 62608, 65808, 70434, 71292, 76776, 78604, 80496, 83174, 93912, 95056, 106938, 115164, 117906, 124761, 137557, 140868, 142584, 153552, 157208, 166348, 176859, 187824, 213876, 230328, 235812, 249522, 255463, 275114, 281736, 285168, 314416, 332696, 353718, 374283, 412671, 427752, 460656, 471624, 499044, 510926, 550228, 563472, 665392, 707436, 748566, 766389, 825342, 855504, 943248, 998088, 1021852, 1100456, 1238013, 1414872, 1497132, 1532778, 1650684, 1788241, 1996176, 2043704, 2200912, 2299167, 2476026, 2829744, 2994264, 3065556, 3301368, 3576482, 4087408, 4598334, 4952052, 5364723, 5988528, 6131112, 6602736, 7152964, 9196668, 9904104, 10729446, 12262224, 14305928, 16094169, 18393336, 19808208, 21458892, 28611856, 32188338, 36786672, 42917784, 64376676, 85835568, 128753352, 257506704]

約数ペア:

[(1, 257506704), (2, 128753352), (3, 85835568), (4, 64376676), (6, 42917784), (7, 36786672), (8, 32188338), (9, 28611856), (12, 21458892), (13, 19808208), (14, 18393336), (16, 16094169), (18, 14305928), (21, 12262224), (24, 10729446), (26, 9904104), (28, 9196668), (36, 7152964), (39, 6602736), (42, 6131112), (43, 5988528), (48, 5364723), (52, 4952052), (56, 4598334), (63, 4087408), (72, 3576482), (78, 3301368), (84, 3065556), (86, 2994264), (91, 2829744), (104, 2476026), (112, 2299167), (117, 2200912), (126, 2043704), (129, 1996176), (144, 1788241), (156, 1650684), (168, 1532778), (172, 1497132), (182, 1414872), (208, 1238013), (234, 1100456), (252, 1021852), (258, 998088), (273, 943248), (301, 855504), (312, 825342), (336, 766389), (344, 748566), (364, 707436), (387, 665392), (457, 563472), (468, 550228), (504, 510926), (516, 499044), (546, 471624), (559, 460656), (602, 427752), (624, 412671), (688, 374283), (728, 353718), (774, 332696), (819, 314416), (903, 285168), (914, 281736), (936, 275114), (1008, 255463), (1032, 249522), (1092, 235812), (1118, 230328), (1204, 213876), (1371, 187824), (1456, 176859), (1548, 166348), (1638, 157208), (1677, 153552), (1806, 142584), (1828, 140868), (1872, 137557), (2064, 124761), (2184, 117906), (2236, 115164), (2408, 106938), (2709, 95056), (2742, 93912), (3096, 83174), (3199, 80496), (3276, 78604), (3354, 76776), (3612, 71292), (3656, 70434), (3913, 65808), (4113, 62608), (4368, 58953), (4472, 57582), (4816, 53469), (5031, 51184), (5418, 47528), (5484, 46956), (5941, 43344), (6192, 41587), (6398, 40248), (6552, 39302), (6708, 38388), (7224, 35646), (7312, 35217), (7826, 32904), (8226, 31304), (8944, 28791), (9597, 26832), (10062, 25592), (10836, 23764), (10968, 23478), (11739, 21936), (11882, 21672), (12796, 20124), (13104, 19651), (13416, 19194), (14448, 17823), (15652, 16452)]