128478528

素因数分解:

$2^6\times 3^3\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:669

約数の個数: 112

約数和(自身を含む): 381000000

約数和(自身を除く): 252521472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 149, 192, 216, 288, 298, 432, 447, 499, 576, 596, 864, 894, 998, 1192, 1341, 1497, 1728, 1788, 1996, 2384, 2682, 2994, 3576, 3992, 4023, 4491, 4768, 5364, 5988, 7152, 7984, 8046, 8982, 9536, 10728, 11976, 13473, 14304, 15968, 16092, 17964, 21456, 23952, 26946, 28608, 31936, 32184, 35928, 42912, 47904, 53892, 64368, 71856, 74351, 85824, 95808, 107784, 128736, 143712, 148702, 215568, 223053, 257472, 287424, 297404, 431136, 446106, 594808, 669159, 862272, 892212, 1189616, 1338318, 1784424, 2007477, 2379232, 2676636, 3568848, 4014954, 4758464, 5353272, 7137696, 8029908, 10706544, 14275392, 16059816, 21413088, 32119632, 42826176, 64239264, 128478528]

約数ペア:

[(1, 128478528), (2, 64239264), (3, 42826176), (4, 32119632), (6, 21413088), (8, 16059816), (9, 14275392), (12, 10706544), (16, 8029908), (18, 7137696), (24, 5353272), (27, 4758464), (32, 4014954), (36, 3568848), (48, 2676636), (54, 2379232), (64, 2007477), (72, 1784424), (96, 1338318), (108, 1189616), (144, 892212), (149, 862272), (192, 669159), (216, 594808), (288, 446106), (298, 431136), (432, 297404), (447, 287424), (499, 257472), (576, 223053), (596, 215568), (864, 148702), (894, 143712), (998, 128736), (1192, 107784), (1341, 95808), (1497, 85824), (1728, 74351), (1788, 71856), (1996, 64368), (2384, 53892), (2682, 47904), (2994, 42912), (3576, 35928), (3992, 32184), (4023, 31936), (4491, 28608), (4768, 26946), (5364, 23952), (5988, 21456), (7152, 17964), (7984, 16092), (8046, 15968), (8982, 14304), (9536, 13473), (10728, 11976)]