81042120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{25013}}^1$

素因数の和:25036

約数の個数: 80

約数和(自身を含む): 272402460

約数和(自身を除く): 191360340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 25013, 50026, 75039, 100052, 125065, 150078, 200104, 225117, 250130, 300156, 375195, 450234, 500260, 600312, 675351, 750390, 900468, 1000520, 1125585, 1350702, 1500780, 1800936, 2026053, 2251170, 2701404, 3001560, 3376755, 4052106, 4502340, 5402808, 6753510, 8104212, 9004680, 10130265, 13507020, 16208424, 20260530, 27014040, 40521060, 81042120]

約数ペア:

[(1, 81042120), (2, 40521060), (3, 27014040), (4, 20260530), (5, 16208424), (6, 13507020), (8, 10130265), (9, 9004680), (10, 8104212), (12, 6753510), (15, 5402808), (18, 4502340), (20, 4052106), (24, 3376755), (27, 3001560), (30, 2701404), (36, 2251170), (40, 2026053), (45, 1800936), (54, 1500780), (60, 1350702), (72, 1125585), (81, 1000520), (90, 900468), (108, 750390), (120, 675351), (135, 600312), (162, 500260), (180, 450234), (216, 375195), (270, 300156), (324, 250130), (360, 225117), (405, 200104), (540, 150078), (648, 125065), (810, 100052), (1080, 75039), (1620, 50026), (3240, 25013)]