68316880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 169703424

約数和(自身を除く): 101386544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 191, 263, 272, 340, 382, 526, 680, 764, 955, 1052, 1315, 1360, 1528, 1910, 2104, 2630, 3056, 3247, 3820, 4208, 4471, 5260, 6494, 7640, 8942, 10520, 12988, 15280, 16235, 17884, 21040, 22355, 25976, 32470, 35768, 44710, 50233, 51952, 64940, 71536, 89420, 100466, 129880, 178840, 200932, 251165, 259760, 357680, 401864, 502330, 803728, 853961, 1004660, 1707922, 2009320, 3415844, 4018640, 4269805, 6831688, 8539610, 13663376, 17079220, 34158440, 68316880]

約数ペア:

[(1, 68316880), (2, 34158440), (4, 17079220), (5, 13663376), (8, 8539610), (10, 6831688), (16, 4269805), (17, 4018640), (20, 3415844), (34, 2009320), (40, 1707922), (68, 1004660), (80, 853961), (85, 803728), (136, 502330), (170, 401864), (191, 357680), (263, 259760), (272, 251165), (340, 200932), (382, 178840), (526, 129880), (680, 100466), (764, 89420), (955, 71536), (1052, 64940), (1315, 51952), (1360, 50233), (1528, 44710), (1910, 35768), (2104, 32470), (2630, 25976), (3056, 22355), (3247, 21040), (3820, 17884), (4208, 16235), (4471, 15280), (5260, 12988), (6494, 10520), (7640, 8942)]