85840160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{10949}}^1$

素因数の和:10978

約数の個数: 72

約数和(自身を含む): 235928700

約数和(自身を除く): 150088540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 10949, 21898, 43796, 54745, 76643, 87592, 109490, 153286, 175184, 218980, 306572, 350368, 383215, 437960, 536501, 613144, 766430, 875920, 1073002, 1226288, 1532860, 1751840, 2146004, 2452576, 2682505, 3065720, 4292008, 5365010, 6131440, 8584016, 10730020, 12262880, 17168032, 21460040, 42920080, 85840160]

約数ペア:

[(1, 85840160), (2, 42920080), (4, 21460040), (5, 17168032), (7, 12262880), (8, 10730020), (10, 8584016), (14, 6131440), (16, 5365010), (20, 4292008), (28, 3065720), (32, 2682505), (35, 2452576), (40, 2146004), (49, 1751840), (56, 1532860), (70, 1226288), (80, 1073002), (98, 875920), (112, 766430), (140, 613144), (160, 536501), (196, 437960), (224, 383215), (245, 350368), (280, 306572), (392, 218980), (490, 175184), (560, 153286), (784, 109490), (980, 87592), (1120, 76643), (1568, 54745), (1960, 43796), (3920, 21898), (7840, 10949)]