7800640

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1319

約数の個数: 56

約数和(自身を含む): 19568160

約数和(自身を除く): 11767520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1283, 1520, 2566, 3040, 5132, 6080, 6415, 10264, 12830, 20528, 24377, 25660, 41056, 48754, 51320, 82112, 97508, 102640, 121885, 195016, 205280, 243770, 390032, 410560, 487540, 780064, 975080, 1560128, 1950160, 3900320, 7800640]

約数ペア:

[(1, 7800640), (2, 3900320), (4, 1950160), (5, 1560128), (8, 975080), (10, 780064), (16, 487540), (19, 410560), (20, 390032), (32, 243770), (38, 205280), (40, 195016), (64, 121885), (76, 102640), (80, 97508), (95, 82112), (152, 51320), (160, 48754), (190, 41056), (304, 25660), (320, 24377), (380, 20528), (608, 12830), (760, 10264), (1216, 6415), (1283, 6080), (1520, 5132), (2566, 3040)]