289731840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 932456448

約数和(自身を除く): 642724608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 256, 320, 383, 384, 394, 480, 591, 640, 766, 768, 788, 960, 985, 1149, 1182, 1280, 1532, 1576, 1915, 1920, 1970, 2298, 2364, 2955, 3064, 3152, 3830, 3840, 3940, 4596, 4728, 5745, 5910, 6128, 6304, 7660, 7880, 9192, 9456, 11490, 11820, 12256, 12608, 15320, 15760, 18384, 18912, 22980, 23640, 24512, 25216, 30640, 31520, 36768, 37824, 45960, 47280, 49024, 50432, 61280, 63040, 73536, 75451, 75648, 91920, 94560, 98048, 122560, 126080, 147072, 150902, 151296, 183840, 189120, 226353, 245120, 252160, 294144, 301804, 367680, 377255, 378240, 452706, 490240, 603608, 735360, 754510, 756480, 905412, 1131765, 1207216, 1470720, 1509020, 1810824, 2263530, 2414432, 3018040, 3621648, 4527060, 4828864, 6036080, 7243296, 9054120, 9657728, 12072160, 14486592, 18108240, 19315456, 24144320, 28973184, 36216480, 48288640, 57946368, 72432960, 96577280, 144865920, 289731840]

約数ペア:

[(1, 289731840), (2, 144865920), (3, 96577280), (4, 72432960), (5, 57946368), (6, 48288640), (8, 36216480), (10, 28973184), (12, 24144320), (15, 19315456), (16, 18108240), (20, 14486592), (24, 12072160), (30, 9657728), (32, 9054120), (40, 7243296), (48, 6036080), (60, 4828864), (64, 4527060), (80, 3621648), (96, 3018040), (120, 2414432), (128, 2263530), (160, 1810824), (192, 1509020), (197, 1470720), (240, 1207216), (256, 1131765), (320, 905412), (383, 756480), (384, 754510), (394, 735360), (480, 603608), (591, 490240), (640, 452706), (766, 378240), (768, 377255), (788, 367680), (960, 301804), (985, 294144), (1149, 252160), (1182, 245120), (1280, 226353), (1532, 189120), (1576, 183840), (1915, 151296), (1920, 150902), (1970, 147072), (2298, 126080), (2364, 122560), (2955, 98048), (3064, 94560), (3152, 91920), (3830, 75648), (3840, 75451), (3940, 73536), (4596, 63040), (4728, 61280), (5745, 50432), (5910, 49024), (6128, 47280), (6304, 45960), (7660, 37824), (7880, 36768), (9192, 31520), (9456, 30640), (11490, 25216), (11820, 24512), (12256, 23640), (12608, 22980), (15320, 18912), (15760, 18384)]