31787520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{4139}}^1$

素因数の和:4165

約数の個数: 80

約数和(自身を含む): 101645280

約数和(自身を除く): 69857760

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, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 4139, 7680, 8278, 12417, 16556, 20695, 24834, 33112, 41390, 49668, 62085, 66224, 82780, 99336, 124170, 132448, 165560, 198672, 248340, 264896, 331120, 397344, 496680, 529792, 662240, 794688, 993360, 1059584, 1324480, 1589376, 1986720, 2119168, 2648960, 3178752, 3973440, 5297920, 6357504, 7946880, 10595840, 15893760, 31787520]

約数ペア:

[(1, 31787520), (2, 15893760), (3, 10595840), (4, 7946880), (5, 6357504), (6, 5297920), (8, 3973440), (10, 3178752), (12, 2648960), (15, 2119168), (16, 1986720), (20, 1589376), (24, 1324480), (30, 1059584), (32, 993360), (40, 794688), (48, 662240), (60, 529792), (64, 496680), (80, 397344), (96, 331120), (120, 264896), (128, 248340), (160, 198672), (192, 165560), (240, 132448), (256, 124170), (320, 99336), (384, 82780), (480, 66224), (512, 62085), (640, 49668), (768, 41390), (960, 33112), (1280, 24834), (1536, 20695), (1920, 16556), (2560, 12417), (3840, 8278), (4139, 7680)]