40278765

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 72253440

約数和(自身を除く): 31974675

約数列:

[1, 3, 5, 15, 19, 31, 47, 57, 93, 95, 97, 141, 155, 235, 285, 291, 465, 485, 589, 705, 893, 1455, 1457, 1767, 1843, 2679, 2945, 3007, 4371, 4465, 4559, 5529, 7285, 8835, 9021, 9215, 13395, 13677, 15035, 21855, 22795, 27645, 27683, 45105, 57133, 68385, 83049, 86621, 138415, 141329, 171399, 259863, 285665, 415245, 423987, 433105, 706645, 856995, 1299315, 2119935, 2685251, 8055753, 13426255, 40278765]

約数ペア:

[(1, 40278765), (3, 13426255), (5, 8055753), (15, 2685251), (19, 2119935), (31, 1299315), (47, 856995), (57, 706645), (93, 433105), (95, 423987), (97, 415245), (141, 285665), (155, 259863), (235, 171399), (285, 141329), (291, 138415), (465, 86621), (485, 83049), (589, 68385), (705, 57133), (893, 45105), (1455, 27683), (1457, 27645), (1767, 22795), (1843, 21855), (2679, 15035), (2945, 13677), (3007, 13395), (4371, 9215), (4465, 9021), (4559, 8835), (5529, 7285)]