30216280

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1381}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 68160240

約数和(自身を除く): 37943960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 1381, 2188, 2735, 2762, 4376, 5470, 5524, 6905, 10940, 11048, 13810, 21880, 27620, 55240, 755407, 1510814, 3021628, 3777035, 6043256, 7554070, 15108140, 30216280]

約数ペア:

[(1, 30216280), (2, 15108140), (4, 7554070), (5, 6043256), (8, 3777035), (10, 3021628), (20, 1510814), (40, 755407), (547, 55240), (1094, 27620), (1381, 21880), (2188, 13810), (2735, 11048), (2762, 10940), (4376, 6905), (5470, 5524)]