131030820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{727949}}^1$

素因数の和:727964

約数の個数: 36

約数和(自身を含む): 397460700

約数和(自身を除く): 266429880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 727949, 1455898, 2183847, 2911796, 3639745, 4367694, 6551541, 7279490, 8735388, 10919235, 13103082, 14558980, 21838470, 26206164, 32757705, 43676940, 65515410, 131030820]

約数ペア:

[(1, 131030820), (2, 65515410), (3, 43676940), (4, 32757705), (5, 26206164), (6, 21838470), (9, 14558980), (10, 13103082), (12, 10919235), (15, 8735388), (18, 7279490), (20, 6551541), (30, 4367694), (36, 3639745), (45, 2911796), (60, 2183847), (90, 1455898), (180, 727949)]