15678880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13999}}^1$

素因数の和:14021

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 26657120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 13999, 27998, 55996, 69995, 97993, 111992, 139990, 195986, 223984, 279980, 391972, 447968, 489965, 559960, 783944, 979930, 1119920, 1567888, 1959860, 2239840, 3135776, 3919720, 7839440, 15678880]

約数ペア:

[(1, 15678880), (2, 7839440), (4, 3919720), (5, 3135776), (7, 2239840), (8, 1959860), (10, 1567888), (14, 1119920), (16, 979930), (20, 783944), (28, 559960), (32, 489965), (35, 447968), (40, 391972), (56, 279980), (70, 223984), (80, 195986), (112, 139990), (140, 111992), (160, 97993), (224, 69995), (280, 55996), (560, 27998), (1120, 13999)]