81194640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{907}}^1$

素因数の和:1296

約数の個数: 80

約数和(自身を含む): 252656448

約数和(自身を除く): 171461808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 373, 746, 907, 1119, 1492, 1814, 1865, 2238, 2721, 2984, 3628, 3730, 4476, 4535, 5442, 5595, 5968, 7256, 7460, 8952, 9070, 10884, 11190, 13605, 14512, 14920, 17904, 18140, 21768, 22380, 27210, 29840, 36280, 43536, 44760, 54420, 72560, 89520, 108840, 217680, 338311, 676622, 1014933, 1353244, 1691555, 2029866, 2706488, 3383110, 4059732, 5074665, 5412976, 6766220, 8119464, 10149330, 13532440, 16238928, 20298660, 27064880, 40597320, 81194640]

約数ペア:

[(1, 81194640), (2, 40597320), (3, 27064880), (4, 20298660), (5, 16238928), (6, 13532440), (8, 10149330), (10, 8119464), (12, 6766220), (15, 5412976), (16, 5074665), (20, 4059732), (24, 3383110), (30, 2706488), (40, 2029866), (48, 1691555), (60, 1353244), (80, 1014933), (120, 676622), (240, 338311), (373, 217680), (746, 108840), (907, 89520), (1119, 72560), (1492, 54420), (1814, 44760), (1865, 43536), (2238, 36280), (2721, 29840), (2984, 27210), (3628, 22380), (3730, 21768), (4476, 18140), (4535, 17904), (5442, 14920), (5595, 14512), (5968, 13605), (7256, 11190), (7460, 10884), (8952, 9070)]