1557222040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 3925221120

約数和(自身を除く): 2367999080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 101, 110, 134, 202, 220, 268, 335, 404, 440, 505, 523, 536, 670, 737, 808, 1010, 1046, 1111, 1340, 1474, 2020, 2092, 2222, 2615, 2680, 2948, 3685, 4040, 4184, 4444, 5230, 5555, 5753, 5896, 6767, 7370, 8888, 10460, 11110, 11506, 13534, 14740, 20920, 22220, 23012, 27068, 28765, 29480, 33835, 35041, 44440, 46024, 52823, 54136, 57530, 67670, 70082, 74437, 105646, 115060, 135340, 140164, 148874, 175205, 211292, 230120, 264115, 270680, 280328, 297748, 350410, 372185, 385451, 422584, 528230, 581053, 595496, 700820, 744370, 770902, 1056460, 1162106, 1401640, 1488740, 1541804, 1927255, 2112920, 2324212, 2905265, 2977480, 3083608, 3539141, 3854510, 4648424, 5810530, 7078282, 7709020, 11621060, 14156564, 15418040, 17695705, 23242120, 28313128, 35391410, 38930551, 70782820, 77861102, 141565640, 155722204, 194652755, 311444408, 389305510, 778611020, 1557222040]

約数ペア:

[(1, 1557222040), (2, 778611020), (4, 389305510), (5, 311444408), (8, 194652755), (10, 155722204), (11, 141565640), (20, 77861102), (22, 70782820), (40, 38930551), (44, 35391410), (55, 28313128), (67, 23242120), (88, 17695705), (101, 15418040), (110, 14156564), (134, 11621060), (202, 7709020), (220, 7078282), (268, 5810530), (335, 4648424), (404, 3854510), (440, 3539141), (505, 3083608), (523, 2977480), (536, 2905265), (670, 2324212), (737, 2112920), (808, 1927255), (1010, 1541804), (1046, 1488740), (1111, 1401640), (1340, 1162106), (1474, 1056460), (2020, 770902), (2092, 744370), (2222, 700820), (2615, 595496), (2680, 581053), (2948, 528230), (3685, 422584), (4040, 385451), (4184, 372185), (4444, 350410), (5230, 297748), (5555, 280328), (5753, 270680), (5896, 264115), (6767, 230120), (7370, 211292), (8888, 175205), (10460, 148874), (11110, 140164), (11506, 135340), (13534, 115060), (14740, 105646), (20920, 74437), (22220, 70082), (23012, 67670), (27068, 57530), (28765, 54136), (29480, 52823), (33835, 46024), (35041, 44440)]