80728758

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 215654400

約数和(自身を除く): 134925642

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 23, 27, 33, 38, 46, 54, 57, 66, 69, 99, 114, 138, 171, 198, 207, 209, 253, 297, 311, 342, 414, 418, 437, 506, 513, 594, 621, 622, 627, 759, 874, 933, 1026, 1242, 1254, 1311, 1518, 1866, 1881, 2277, 2622, 2799, 3421, 3762, 3933, 4554, 4807, 5598, 5643, 5909, 6831, 6842, 7153, 7866, 8397, 9614, 10263, 11286, 11799, 11818, 13662, 14306, 14421, 16794, 17727, 20526, 21459, 23598, 28842, 30789, 35454, 42918, 43263, 53181, 61578, 64377, 64999, 78683, 86526, 92367, 106362, 128754, 129789, 129998, 135907, 157366, 159543, 184734, 193131, 194997, 236049, 259578, 271814, 319086, 386262, 389994, 407721, 472098, 584991, 708147, 815442, 1169982, 1223163, 1416294, 1494977, 1754973, 2124441, 2446326, 2989954, 3509946, 3669489, 4248882, 4484931, 7338978, 8969862, 13454793, 26909586, 40364379, 80728758]

約数ペア:

[(1, 80728758), (2, 40364379), (3, 26909586), (6, 13454793), (9, 8969862), (11, 7338978), (18, 4484931), (19, 4248882), (22, 3669489), (23, 3509946), (27, 2989954), (33, 2446326), (38, 2124441), (46, 1754973), (54, 1494977), (57, 1416294), (66, 1223163), (69, 1169982), (99, 815442), (114, 708147), (138, 584991), (171, 472098), (198, 407721), (207, 389994), (209, 386262), (253, 319086), (297, 271814), (311, 259578), (342, 236049), (414, 194997), (418, 193131), (437, 184734), (506, 159543), (513, 157366), (594, 135907), (621, 129998), (622, 129789), (627, 128754), (759, 106362), (874, 92367), (933, 86526), (1026, 78683), (1242, 64999), (1254, 64377), (1311, 61578), (1518, 53181), (1866, 43263), (1881, 42918), (2277, 35454), (2622, 30789), (2799, 28842), (3421, 23598), (3762, 21459), (3933, 20526), (4554, 17727), (4807, 16794), (5598, 14421), (5643, 14306), (5909, 13662), (6831, 11818), (6842, 11799), (7153, 11286), (7866, 10263), (8397, 9614)]