68815908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 214695936

約数和(自身を除く): 145880028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 31, 36, 42, 46, 62, 63, 69, 84, 92, 93, 124, 126, 138, 161, 186, 207, 217, 252, 276, 279, 322, 372, 383, 414, 434, 483, 558, 644, 651, 713, 766, 828, 868, 966, 1116, 1149, 1302, 1426, 1449, 1532, 1932, 1953, 2139, 2298, 2604, 2681, 2852, 2898, 3447, 3906, 4278, 4596, 4991, 5362, 5796, 6417, 6894, 7812, 8043, 8556, 8809, 9982, 10724, 11873, 12834, 13788, 14973, 16086, 17618, 19964, 23746, 24129, 25668, 26427, 29946, 32172, 35236, 35619, 44919, 47492, 48258, 52854, 59892, 61663, 71238, 79281, 83111, 89838, 96516, 105708, 106857, 123326, 142476, 158562, 166222, 179676, 184989, 213714, 246652, 249333, 273079, 317124, 332444, 369978, 427428, 498666, 546158, 554967, 739956, 747999, 819237, 997332, 1092316, 1109934, 1495998, 1638474, 1911553, 2219868, 2457711, 2991996, 3276948, 3823106, 4915422, 5734659, 7646212, 9830844, 11469318, 17203977, 22938636, 34407954, 68815908]

約数ペア:

[(1, 68815908), (2, 34407954), (3, 22938636), (4, 17203977), (6, 11469318), (7, 9830844), (9, 7646212), (12, 5734659), (14, 4915422), (18, 3823106), (21, 3276948), (23, 2991996), (28, 2457711), (31, 2219868), (36, 1911553), (42, 1638474), (46, 1495998), (62, 1109934), (63, 1092316), (69, 997332), (84, 819237), (92, 747999), (93, 739956), (124, 554967), (126, 546158), (138, 498666), (161, 427428), (186, 369978), (207, 332444), (217, 317124), (252, 273079), (276, 249333), (279, 246652), (322, 213714), (372, 184989), (383, 179676), (414, 166222), (434, 158562), (483, 142476), (558, 123326), (644, 106857), (651, 105708), (713, 96516), (766, 89838), (828, 83111), (868, 79281), (966, 71238), (1116, 61663), (1149, 59892), (1302, 52854), (1426, 48258), (1449, 47492), (1532, 44919), (1932, 35619), (1953, 35236), (2139, 32172), (2298, 29946), (2604, 26427), (2681, 25668), (2852, 24129), (2898, 23746), (3447, 19964), (3906, 17618), (4278, 16086), (4596, 14973), (4991, 13788), (5362, 12834), (5796, 11873), (6417, 10724), (6894, 9982), (7812, 8809), (8043, 8556)]