21615120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{10007}}^1$

素因数の和:10029

約数の個数: 80

約数和(自身を含む): 74459520

約数和(自身を除く): 52844400

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, 10007, 20014, 30021, 40028, 50035, 60042, 80056, 90063, 100070, 120084, 150105, 160112, 180126, 200140, 240168, 270189, 300210, 360252, 400280, 450315, 480336, 540378, 600420, 720504, 800560, 900630, 1080756, 1200840, 1350945, 1441008, 1801260, 2161512, 2401680, 2701890, 3602520, 4323024, 5403780, 7205040, 10807560, 21615120]

約数ペア:

[(1, 21615120), (2, 10807560), (3, 7205040), (4, 5403780), (5, 4323024), (6, 3602520), (8, 2701890), (9, 2401680), (10, 2161512), (12, 1801260), (15, 1441008), (16, 1350945), (18, 1200840), (20, 1080756), (24, 900630), (27, 800560), (30, 720504), (36, 600420), (40, 540378), (45, 480336), (48, 450315), (54, 400280), (60, 360252), (72, 300210), (80, 270189), (90, 240168), (108, 200140), (120, 180126), (135, 160112), (144, 150105), (180, 120084), (216, 100070), (240, 90063), (270, 80056), (360, 60042), (432, 50035), (540, 40028), (720, 30021), (1080, 20014), (2160, 10007)]