170920720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1153}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 424995120

約数和(自身を除く): 254074400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 545, 680, 872, 1090, 1153, 1360, 1744, 1853, 2180, 2306, 3706, 4360, 4612, 5765, 7412, 8720, 9224, 9265, 11530, 14824, 18448, 18530, 19601, 23060, 29648, 37060, 39202, 46120, 74120, 78404, 92240, 98005, 125677, 148240, 156808, 196010, 251354, 313616, 392020, 502708, 628385, 784040, 1005416, 1256770, 1568080, 2010832, 2136509, 2513540, 4273018, 5027080, 8546036, 10054160, 10682545, 17092072, 21365090, 34184144, 42730180, 85460360, 170920720]

約数ペア:

[(1, 170920720), (2, 85460360), (4, 42730180), (5, 34184144), (8, 21365090), (10, 17092072), (16, 10682545), (17, 10054160), (20, 8546036), (34, 5027080), (40, 4273018), (68, 2513540), (80, 2136509), (85, 2010832), (109, 1568080), (136, 1256770), (170, 1005416), (218, 784040), (272, 628385), (340, 502708), (436, 392020), (545, 313616), (680, 251354), (872, 196010), (1090, 156808), (1153, 148240), (1360, 125677), (1744, 98005), (1853, 92240), (2180, 78404), (2306, 74120), (3706, 46120), (4360, 39202), (4612, 37060), (5765, 29648), (7412, 23060), (8720, 19601), (9224, 18530), (9265, 18448), (11530, 14824)]