81183160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 194555520

約数和(自身を除く): 113372360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 277, 340, 431, 554, 680, 862, 1108, 1385, 1724, 2155, 2216, 2770, 3448, 4310, 4709, 5540, 7327, 8620, 9418, 11080, 14654, 17240, 18836, 23545, 29308, 36635, 37672, 47090, 58616, 73270, 94180, 119387, 146540, 188360, 238774, 293080, 477548, 596935, 955096, 1193870, 2029579, 2387740, 4059158, 4775480, 8118316, 10147895, 16236632, 20295790, 40591580, 81183160]

約数ペア:

[(1, 81183160), (2, 40591580), (4, 20295790), (5, 16236632), (8, 10147895), (10, 8118316), (17, 4775480), (20, 4059158), (34, 2387740), (40, 2029579), (68, 1193870), (85, 955096), (136, 596935), (170, 477548), (277, 293080), (340, 238774), (431, 188360), (554, 146540), (680, 119387), (862, 94180), (1108, 73270), (1385, 58616), (1724, 47090), (2155, 37672), (2216, 36635), (2770, 29308), (3448, 23545), (4310, 18836), (4709, 17240), (5540, 14654), (7327, 11080), (8620, 9418)]