72455955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2036

約数の個数: 64

約数和(自身を含む): 144281088

約数和(自身を除く): 71825133

約数列:

[1, 3, 5, 11, 13, 15, 17, 33, 39, 51, 55, 65, 85, 143, 165, 187, 195, 221, 255, 429, 561, 663, 715, 935, 1105, 1987, 2145, 2431, 2805, 3315, 5961, 7293, 9935, 12155, 21857, 25831, 29805, 33779, 36465, 65571, 77493, 101337, 109285, 129155, 168895, 284141, 327855, 371569, 387465, 439127, 506685, 852423, 1114707, 1317381, 1420705, 1857845, 2195635, 4262115, 4830397, 5573535, 6586905, 14491191, 24151985, 72455955]

約数ペア:

[(1, 72455955), (3, 24151985), (5, 14491191), (11, 6586905), (13, 5573535), (15, 4830397), (17, 4262115), (33, 2195635), (39, 1857845), (51, 1420705), (55, 1317381), (65, 1114707), (85, 852423), (143, 506685), (165, 439127), (187, 387465), (195, 371569), (221, 327855), (255, 284141), (429, 168895), (561, 129155), (663, 109285), (715, 101337), (935, 77493), (1105, 65571), (1987, 36465), (2145, 33779), (2431, 29805), (2805, 25831), (3315, 21857), (5961, 12155), (7293, 9935)]