128762640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4159}}^1$

素因数の和:4221

約数の個数: 120

約数和(自身を含む): 442590720

約数和(自身を除く): 313828080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4159, 5160, 6192, 7740, 8318, 10320, 12477, 15480, 16636, 20795, 24954, 30960, 33272, 37431, 41590, 49908, 62385, 66544, 74862, 83180, 99816, 124770, 149724, 166360, 178837, 187155, 199632, 249540, 299448, 332720, 357674, 374310, 499080, 536511, 598896, 715348, 748620, 894185, 998160, 1073022, 1430696, 1497240, 1609533, 1788370, 2146044, 2682555, 2861392, 2994480, 3219066, 3576740, 4292088, 5365110, 6438132, 7153480, 8047665, 8584176, 10730220, 12876264, 14306960, 16095330, 21460440, 25752528, 32190660, 42920880, 64381320, 128762640]

約数ペア:

[(1, 128762640), (2, 64381320), (3, 42920880), (4, 32190660), (5, 25752528), (6, 21460440), (8, 16095330), (9, 14306960), (10, 12876264), (12, 10730220), (15, 8584176), (16, 8047665), (18, 7153480), (20, 6438132), (24, 5365110), (30, 4292088), (36, 3576740), (40, 3219066), (43, 2994480), (45, 2861392), (48, 2682555), (60, 2146044), (72, 1788370), (80, 1609533), (86, 1497240), (90, 1430696), (120, 1073022), (129, 998160), (144, 894185), (172, 748620), (180, 715348), (215, 598896), (240, 536511), (258, 499080), (344, 374310), (360, 357674), (387, 332720), (430, 299448), (516, 249540), (645, 199632), (688, 187155), (720, 178837), (774, 166360), (860, 149724), (1032, 124770), (1290, 99816), (1548, 83180), (1720, 74862), (1935, 66544), (2064, 62385), (2580, 49908), (3096, 41590), (3440, 37431), (3870, 33272), (4159, 30960), (5160, 24954), (6192, 20795), (7740, 16636), (8318, 15480), (10320, 12477)]