51517760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 112

約数和(自身を含む): 142158720

約数和(自身を除く): 90640960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 109, 112, 140, 160, 211, 218, 224, 280, 320, 422, 436, 448, 545, 560, 763, 844, 872, 1055, 1090, 1120, 1477, 1526, 1688, 1744, 2110, 2180, 2240, 2954, 3052, 3376, 3488, 3815, 4220, 4360, 5908, 6104, 6752, 6976, 7385, 7630, 8440, 8720, 11816, 12208, 13504, 14770, 15260, 16880, 17440, 22999, 23632, 24416, 29540, 30520, 33760, 34880, 45998, 47264, 48832, 59080, 61040, 67520, 91996, 94528, 114995, 118160, 122080, 160993, 183992, 229990, 236320, 244160, 321986, 367984, 459980, 472640, 643972, 735968, 804965, 919960, 1287944, 1471936, 1609930, 1839920, 2575888, 3219860, 3679840, 5151776, 6439720, 7359680, 10303552, 12879440, 25758880, 51517760]

約数ペア:

[(1, 51517760), (2, 25758880), (4, 12879440), (5, 10303552), (7, 7359680), (8, 6439720), (10, 5151776), (14, 3679840), (16, 3219860), (20, 2575888), (28, 1839920), (32, 1609930), (35, 1471936), (40, 1287944), (56, 919960), (64, 804965), (70, 735968), (80, 643972), (109, 472640), (112, 459980), (140, 367984), (160, 321986), (211, 244160), (218, 236320), (224, 229990), (280, 183992), (320, 160993), (422, 122080), (436, 118160), (448, 114995), (545, 94528), (560, 91996), (763, 67520), (844, 61040), (872, 59080), (1055, 48832), (1090, 47264), (1120, 45998), (1477, 34880), (1526, 33760), (1688, 30520), (1744, 29540), (2110, 24416), (2180, 23632), (2240, 22999), (2954, 17440), (3052, 16880), (3376, 15260), (3488, 14770), (3815, 13504), (4220, 12208), (4360, 11816), (5908, 8720), (6104, 8440), (6752, 7630), (6976, 7385)]