127809920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:680

約数の個数: 128

約数和(自身を含む): 357212160

約数和(自身を除く): 229402240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 280, 320, 329, 376, 448, 470, 560, 607, 640, 658, 752, 896, 940, 1120, 1214, 1316, 1504, 1645, 1880, 2240, 2428, 2632, 3008, 3035, 3290, 3760, 4249, 4480, 4856, 5264, 6016, 6070, 6580, 7520, 8498, 9712, 10528, 12140, 13160, 15040, 16996, 19424, 21056, 21245, 24280, 26320, 28529, 30080, 33992, 38848, 42112, 42490, 48560, 52640, 57058, 67984, 77696, 84980, 97120, 105280, 114116, 135968, 142645, 169960, 194240, 199703, 210560, 228232, 271936, 285290, 339920, 388480, 399406, 456464, 543872, 570580, 679840, 798812, 912928, 998515, 1141160, 1359680, 1597624, 1825856, 1997030, 2282320, 2719360, 3195248, 3651712, 3994060, 4564640, 6390496, 7988120, 9129280, 12780992, 15976240, 18258560, 25561984, 31952480, 63904960, 127809920]

約数ペア:

[(1, 127809920), (2, 63904960), (4, 31952480), (5, 25561984), (7, 18258560), (8, 15976240), (10, 12780992), (14, 9129280), (16, 7988120), (20, 6390496), (28, 4564640), (32, 3994060), (35, 3651712), (40, 3195248), (47, 2719360), (56, 2282320), (64, 1997030), (70, 1825856), (80, 1597624), (94, 1359680), (112, 1141160), (128, 998515), (140, 912928), (160, 798812), (188, 679840), (224, 570580), (235, 543872), (280, 456464), (320, 399406), (329, 388480), (376, 339920), (448, 285290), (470, 271936), (560, 228232), (607, 210560), (640, 199703), (658, 194240), (752, 169960), (896, 142645), (940, 135968), (1120, 114116), (1214, 105280), (1316, 97120), (1504, 84980), (1645, 77696), (1880, 67984), (2240, 57058), (2428, 52640), (2632, 48560), (3008, 42490), (3035, 42112), (3290, 38848), (3760, 33992), (4249, 30080), (4480, 28529), (4856, 26320), (5264, 24280), (6016, 21245), (6070, 21056), (6580, 19424), (7520, 16996), (8498, 15040), (9712, 13160), (10528, 12140)]