19798920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 65894400

約数和(自身を除く): 46095480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1279, 1290, 1548, 1720, 1935, 2558, 2580, 3096, 3837, 3870, 5116, 5160, 6395, 7674, 7740, 10232, 11511, 12790, 15348, 15480, 19185, 23022, 25580, 30696, 38370, 46044, 51160, 54997, 57555, 76740, 92088, 109994, 115110, 153480, 164991, 219988, 230220, 274985, 329982, 439976, 460440, 494973, 549970, 659964, 824955, 989946, 1099940, 1319928, 1649910, 1979892, 2199880, 2474865, 3299820, 3959784, 4949730, 6599640, 9899460, 19798920]

約数ペア:

[(1, 19798920), (2, 9899460), (3, 6599640), (4, 4949730), (5, 3959784), (6, 3299820), (8, 2474865), (9, 2199880), (10, 1979892), (12, 1649910), (15, 1319928), (18, 1099940), (20, 989946), (24, 824955), (30, 659964), (36, 549970), (40, 494973), (43, 460440), (45, 439976), (60, 329982), (72, 274985), (86, 230220), (90, 219988), (120, 164991), (129, 153480), (172, 115110), (180, 109994), (215, 92088), (258, 76740), (344, 57555), (360, 54997), (387, 51160), (430, 46044), (516, 38370), (645, 30696), (774, 25580), (860, 23022), (1032, 19185), (1279, 15480), (1290, 15348), (1548, 12790), (1720, 11511), (1935, 10232), (2558, 7740), (2580, 7674), (3096, 6395), (3837, 5160), (3870, 5116)]