81058590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{907}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 217048320

約数和(自身を除く): 135989730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 331, 662, 907, 993, 1655, 1814, 1986, 2721, 2979, 3310, 4535, 4965, 5442, 5958, 8163, 8937, 9070, 9930, 13605, 14895, 16326, 17874, 24489, 27210, 29790, 40815, 44685, 48978, 81630, 89370, 122445, 244890, 300217, 600434, 900651, 1501085, 1801302, 2701953, 3002170, 4503255, 5403906, 8105859, 9006510, 13509765, 16211718, 27019530, 40529295, 81058590]

約数ペア:

[(1, 81058590), (2, 40529295), (3, 27019530), (5, 16211718), (6, 13509765), (9, 9006510), (10, 8105859), (15, 5403906), (18, 4503255), (27, 3002170), (30, 2701953), (45, 1801302), (54, 1501085), (90, 900651), (135, 600434), (270, 300217), (331, 244890), (662, 122445), (907, 89370), (993, 81630), (1655, 48978), (1814, 44685), (1986, 40815), (2721, 29790), (2979, 27210), (3310, 24489), (4535, 17874), (4965, 16326), (5442, 14895), (5958, 13605), (8163, 9930), (8937, 9070)]