142364720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 350796000

約数和(自身を除く): 208431280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 229, 304, 380, 409, 458, 760, 818, 916, 1145, 1520, 1636, 1832, 2045, 2290, 3272, 3664, 4090, 4351, 4580, 6544, 7771, 8180, 8702, 9160, 15542, 16360, 17404, 18320, 21755, 31084, 32720, 34808, 38855, 43510, 62168, 69616, 77710, 87020, 93661, 124336, 155420, 174040, 187322, 310840, 348080, 374644, 468305, 621680, 749288, 936610, 1498576, 1779559, 1873220, 3559118, 3746440, 7118236, 7492880, 8897795, 14236472, 17795590, 28472944, 35591180, 71182360, 142364720]

約数ペア:

[(1, 142364720), (2, 71182360), (4, 35591180), (5, 28472944), (8, 17795590), (10, 14236472), (16, 8897795), (19, 7492880), (20, 7118236), (38, 3746440), (40, 3559118), (76, 1873220), (80, 1779559), (95, 1498576), (152, 936610), (190, 749288), (229, 621680), (304, 468305), (380, 374644), (409, 348080), (458, 310840), (760, 187322), (818, 174040), (916, 155420), (1145, 124336), (1520, 93661), (1636, 87020), (1832, 77710), (2045, 69616), (2290, 62168), (3272, 43510), (3664, 38855), (4090, 34808), (4351, 32720), (4580, 31084), (6544, 21755), (7771, 18320), (8180, 17404), (8702, 16360), (9160, 15542)]