240072015

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{9521}}^1$

素因数の和:9611

約数の個数: 24

約数和(自身を含む): 393753744

約数和(自身を除く): 153681729

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 1681, 5043, 8405, 9521, 25215, 28563, 47605, 142815, 390361, 1171083, 1951805, 5855415, 16004801, 48014403, 80024005, 240072015]

約数ペア:

[(1, 240072015), (3, 80024005), (5, 48014403), (15, 16004801), (41, 5855415), (123, 1951805), (205, 1171083), (615, 390361), (1681, 142815), (5043, 47605), (8405, 28563), (9521, 25215)]