86764140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{947}}^1$

素因数の和:1471

約数の個数: 72

約数和(自身を含む): 263980080

約数和(自身を除く): 177215940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 509, 947, 1018, 1527, 1894, 2036, 2545, 2841, 3054, 3788, 4581, 4735, 5090, 5682, 6108, 7635, 8523, 9162, 9470, 10180, 11364, 14205, 15270, 17046, 18324, 18940, 22905, 28410, 30540, 34092, 42615, 45810, 56820, 85230, 91620, 170460, 482023, 964046, 1446069, 1928092, 2410115, 2892138, 4338207, 4820230, 5784276, 7230345, 8676414, 9640460, 14460690, 17352828, 21691035, 28921380, 43382070, 86764140]

約数ペア:

[(1, 86764140), (2, 43382070), (3, 28921380), (4, 21691035), (5, 17352828), (6, 14460690), (9, 9640460), (10, 8676414), (12, 7230345), (15, 5784276), (18, 4820230), (20, 4338207), (30, 2892138), (36, 2410115), (45, 1928092), (60, 1446069), (90, 964046), (180, 482023), (509, 170460), (947, 91620), (1018, 85230), (1527, 56820), (1894, 45810), (2036, 42615), (2545, 34092), (2841, 30540), (3054, 28410), (3788, 22905), (4581, 18940), (4735, 18324), (5090, 17046), (5682, 15270), (6108, 14205), (7635, 11364), (8523, 10180), (9162, 9470)]