78270080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17471}}^1$

素因数の和:17497

約数の個数: 64

約数和(自身を含む): 213857280

約数和(自身を除く): 135587200

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, 17471, 34942, 69884, 87355, 122297, 139768, 174710, 244594, 279536, 349420, 489188, 559072, 611485, 698840, 978376, 1118144, 1222970, 1397680, 1956752, 2236288, 2445940, 2795360, 3913504, 4891880, 5590720, 7827008, 9783760, 11181440, 15654016, 19567520, 39135040, 78270080]

約数ペア:

[(1, 78270080), (2, 39135040), (4, 19567520), (5, 15654016), (7, 11181440), (8, 9783760), (10, 7827008), (14, 5590720), (16, 4891880), (20, 3913504), (28, 2795360), (32, 2445940), (35, 2236288), (40, 1956752), (56, 1397680), (64, 1222970), (70, 1118144), (80, 978376), (112, 698840), (128, 611485), (140, 559072), (160, 489188), (224, 349420), (280, 279536), (320, 244594), (448, 174710), (560, 139768), (640, 122297), (896, 87355), (1120, 69884), (2240, 34942), (4480, 17471)]