78359680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17491}}^1$

素因数の和:17517

約数の個数: 64

約数和(自身を含む): 214102080

約数和(自身を除く): 135742400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17491, 34982, 69964, 87455, 122437, 139928, 174910, 244874, 279856, 349820, 489748, 559712, 612185, 699640, 979496, 1119424, 1224370, 1399280, 1958992, 2238848, 2448740, 2798560, 3917984, 4897480, 5597120, 7835968, 9794960, 11194240, 15671936, 19589920, 39179840, 78359680]

約数ペア:

[(1, 78359680), (2, 39179840), (4, 19589920), (5, 15671936), (7, 11194240), (8, 9794960), (10, 7835968), (14, 5597120), (16, 4897480), (20, 3917984), (28, 2798560), (32, 2448740), (35, 2238848), (40, 1958992), (56, 1399280), (64, 1224370), (70, 1119424), (80, 979496), (112, 699640), (128, 612185), (140, 559712), (160, 489748), (224, 349820), (280, 279856), (320, 244874), (448, 174910), (560, 139928), (640, 122437), (896, 87455), (1120, 69964), (2240, 34982), (4480, 17491)]