81036720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37517}}^1$

素因数の和:37539

約数の個数: 80

約数和(自身を含む): 279133920

約数和(自身を除く): 198097200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37517, 75034, 112551, 150068, 187585, 225102, 300136, 337653, 375170, 450204, 562755, 600272, 675306, 750340, 900408, 1012959, 1125510, 1350612, 1500680, 1688265, 1800816, 2025918, 2251020, 2701224, 3001360, 3376530, 4051836, 4502040, 5064795, 5402448, 6753060, 8103672, 9004080, 10129590, 13506120, 16207344, 20259180, 27012240, 40518360, 81036720]

約数ペア:

[(1, 81036720), (2, 40518360), (3, 27012240), (4, 20259180), (5, 16207344), (6, 13506120), (8, 10129590), (9, 9004080), (10, 8103672), (12, 6753060), (15, 5402448), (16, 5064795), (18, 4502040), (20, 4051836), (24, 3376530), (27, 3001360), (30, 2701224), (36, 2251020), (40, 2025918), (45, 1800816), (48, 1688265), (54, 1500680), (60, 1350612), (72, 1125510), (80, 1012959), (90, 900408), (108, 750340), (120, 675306), (135, 600272), (144, 562755), (180, 450204), (216, 375170), (240, 337653), (270, 300136), (360, 225102), (432, 187585), (540, 150068), (720, 112551), (1080, 75034), (2160, 37517)]