28981800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{1789}}^1$

素因数の和:1817

約数の個数: 120

約数和(自身を含む): 100714350

約数和(自身を除く): 71732550

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 270, 300, 324, 360, 405, 450, 540, 600, 648, 675, 810, 900, 1080, 1350, 1620, 1789, 1800, 2025, 2700, 3240, 3578, 4050, 5367, 5400, 7156, 8100, 8945, 10734, 14312, 16101, 16200, 17890, 21468, 26835, 32202, 35780, 42936, 44725, 48303, 53670, 64404, 71560, 80505, 89450, 96606, 107340, 128808, 134175, 144909, 161010, 178900, 193212, 214680, 241515, 268350, 289818, 322020, 357800, 386424, 402525, 483030, 536700, 579636, 644040, 724545, 805050, 966060, 1073400, 1159272, 1207575, 1449090, 1610100, 1932120, 2415150, 2898180, 3220200, 3622725, 4830300, 5796360, 7245450, 9660600, 14490900, 28981800]

約数ペア:

[(1, 28981800), (2, 14490900), (3, 9660600), (4, 7245450), (5, 5796360), (6, 4830300), (8, 3622725), (9, 3220200), (10, 2898180), (12, 2415150), (15, 1932120), (18, 1610100), (20, 1449090), (24, 1207575), (25, 1159272), (27, 1073400), (30, 966060), (36, 805050), (40, 724545), (45, 644040), (50, 579636), (54, 536700), (60, 483030), (72, 402525), (75, 386424), (81, 357800), (90, 322020), (100, 289818), (108, 268350), (120, 241515), (135, 214680), (150, 193212), (162, 178900), (180, 161010), (200, 144909), (216, 134175), (225, 128808), (270, 107340), (300, 96606), (324, 89450), (360, 80505), (405, 71560), (450, 64404), (540, 53670), (600, 48303), (648, 44725), (675, 42936), (810, 35780), (900, 32202), (1080, 26835), (1350, 21468), (1620, 17890), (1789, 16200), (1800, 16101), (2025, 14312), (2700, 10734), (3240, 8945), (3578, 8100), (4050, 7156), (5367, 5400)]