27840720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:700

約数の個数: 80

約数和(自身を含む): 86815872

約数和(自身を除く): 58975152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 311, 373, 622, 746, 933, 1119, 1244, 1492, 1555, 1865, 1866, 2238, 2488, 2984, 3110, 3730, 3732, 4476, 4665, 4976, 5595, 5968, 6220, 7460, 7464, 8952, 9330, 11190, 12440, 14920, 14928, 17904, 18660, 22380, 24880, 29840, 37320, 44760, 74640, 89520, 116003, 232006, 348009, 464012, 580015, 696018, 928024, 1160030, 1392036, 1740045, 1856048, 2320060, 2784072, 3480090, 4640120, 5568144, 6960180, 9280240, 13920360, 27840720]

約数ペア:

[(1, 27840720), (2, 13920360), (3, 9280240), (4, 6960180), (5, 5568144), (6, 4640120), (8, 3480090), (10, 2784072), (12, 2320060), (15, 1856048), (16, 1740045), (20, 1392036), (24, 1160030), (30, 928024), (40, 696018), (48, 580015), (60, 464012), (80, 348009), (120, 232006), (240, 116003), (311, 89520), (373, 74640), (622, 44760), (746, 37320), (933, 29840), (1119, 24880), (1244, 22380), (1492, 18660), (1555, 17904), (1865, 14928), (1866, 14920), (2238, 12440), (2488, 11190), (2984, 9330), (3110, 8952), (3730, 7464), (3732, 7460), (4476, 6220), (4665, 5968), (4976, 5595)]