81052320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1438

約数の個数: 96

約数和(自身を含む): 257463360

約数和(自身を除く): 176411040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 393, 480, 524, 655, 786, 1048, 1289, 1310, 1572, 1965, 2096, 2578, 2620, 3144, 3867, 3930, 4192, 5156, 5240, 6288, 6445, 7734, 7860, 10312, 10480, 12576, 12890, 15468, 15720, 19335, 20624, 20960, 25780, 30936, 31440, 38670, 41248, 51560, 61872, 62880, 77340, 103120, 123744, 154680, 168859, 206240, 309360, 337718, 506577, 618720, 675436, 844295, 1013154, 1350872, 1688590, 2026308, 2532885, 2701744, 3377180, 4052616, 5065770, 5403488, 6754360, 8105232, 10131540, 13508720, 16210464, 20263080, 27017440, 40526160, 81052320]

約数ペア:

[(1, 81052320), (2, 40526160), (3, 27017440), (4, 20263080), (5, 16210464), (6, 13508720), (8, 10131540), (10, 8105232), (12, 6754360), (15, 5403488), (16, 5065770), (20, 4052616), (24, 3377180), (30, 2701744), (32, 2532885), (40, 2026308), (48, 1688590), (60, 1350872), (80, 1013154), (96, 844295), (120, 675436), (131, 618720), (160, 506577), (240, 337718), (262, 309360), (393, 206240), (480, 168859), (524, 154680), (655, 123744), (786, 103120), (1048, 77340), (1289, 62880), (1310, 61872), (1572, 51560), (1965, 41248), (2096, 38670), (2578, 31440), (2620, 30936), (3144, 25780), (3867, 20960), (3930, 20624), (4192, 19335), (5156, 15720), (5240, 15468), (6288, 12890), (6445, 12576), (7734, 10480), (7860, 10312)]