85440644720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2549}}^1\times {\mathrm{18217}}^1$

素因数の和:20802

約数の個数: 80

約数和(自身を含む): 207379137600

約数和(自身を除く): 121938492880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 2549, 5098, 10196, 12745, 18217, 20392, 25490, 36434, 40784, 50980, 58627, 72868, 91085, 101960, 117254, 145736, 182170, 203920, 234508, 291472, 293135, 364340, 418991, 469016, 586270, 728680, 837982, 938032, 1172540, 1457360, 1675964, 2094955, 2345080, 3351928, 4189910, 4690160, 6703856, 8379820, 16759640, 33519280, 46435133, 92870266, 185740532, 232175665, 371481064, 464351330, 742962128, 928702660, 1068008059, 1857405320, 2136016118, 3714810640, 4272032236, 5340040295, 8544064472, 10680080590, 17088128944, 21360161180, 42720322360, 85440644720]

約数ペア:

[(1, 85440644720), (2, 42720322360), (4, 21360161180), (5, 17088128944), (8, 10680080590), (10, 8544064472), (16, 5340040295), (20, 4272032236), (23, 3714810640), (40, 2136016118), (46, 1857405320), (80, 1068008059), (92, 928702660), (115, 742962128), (184, 464351330), (230, 371481064), (368, 232175665), (460, 185740532), (920, 92870266), (1840, 46435133), (2549, 33519280), (5098, 16759640), (10196, 8379820), (12745, 6703856), (18217, 4690160), (20392, 4189910), (25490, 3351928), (36434, 2345080), (40784, 2094955), (50980, 1675964), (58627, 1457360), (72868, 1172540), (91085, 938032), (101960, 837982), (117254, 728680), (145736, 586270), (182170, 469016), (203920, 418991), (234508, 364340), (291472, 293135)]