81360990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{557}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 217753920

約数和(自身を除く): 136392930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 541, 557, 1082, 1114, 1623, 1671, 2705, 2785, 3246, 3342, 4869, 5013, 5410, 5570, 8115, 8355, 9738, 10026, 14607, 15039, 16230, 16710, 24345, 25065, 29214, 30078, 48690, 50130, 73035, 75195, 146070, 150390, 301337, 602674, 904011, 1506685, 1808022, 2712033, 3013370, 4520055, 5424066, 8136099, 9040110, 13560165, 16272198, 27120330, 40680495, 81360990]

約数ペア:

[(1, 81360990), (2, 40680495), (3, 27120330), (5, 16272198), (6, 13560165), (9, 9040110), (10, 8136099), (15, 5424066), (18, 4520055), (27, 3013370), (30, 2712033), (45, 1808022), (54, 1506685), (90, 904011), (135, 602674), (270, 301337), (541, 150390), (557, 146070), (1082, 75195), (1114, 73035), (1623, 50130), (1671, 48690), (2705, 30078), (2785, 29214), (3246, 25065), (3342, 24345), (4869, 16710), (5013, 16230), (5410, 15039), (5570, 14607), (8115, 10026), (8355, 9738)]