81267200

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{907}}^1$

素因数の和:942

約数の個数: 120

約数和(自身を含む): 230363232

約数和(自身を除く): 149096032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 512, 560, 640, 700, 800, 896, 907, 1120, 1280, 1400, 1600, 1792, 1814, 2240, 2560, 2800, 3200, 3584, 3628, 4480, 4535, 5600, 6349, 6400, 7256, 8960, 9070, 11200, 12698, 12800, 14512, 17920, 18140, 22400, 22675, 25396, 29024, 31745, 36280, 44800, 45350, 50792, 58048, 63490, 72560, 89600, 90700, 101584, 116096, 126980, 145120, 158725, 181400, 203168, 232192, 253960, 290240, 317450, 362800, 406336, 464384, 507920, 580480, 634900, 725600, 812672, 1015840, 1160960, 1269800, 1451200, 1625344, 2031680, 2321920, 2539600, 2902400, 3250688, 4063360, 5079200, 5804800, 8126720, 10158400, 11609600, 16253440, 20316800, 40633600, 81267200]

約数ペア:

[(1, 81267200), (2, 40633600), (4, 20316800), (5, 16253440), (7, 11609600), (8, 10158400), (10, 8126720), (14, 5804800), (16, 5079200), (20, 4063360), (25, 3250688), (28, 2902400), (32, 2539600), (35, 2321920), (40, 2031680), (50, 1625344), (56, 1451200), (64, 1269800), (70, 1160960), (80, 1015840), (100, 812672), (112, 725600), (128, 634900), (140, 580480), (160, 507920), (175, 464384), (200, 406336), (224, 362800), (256, 317450), (280, 290240), (320, 253960), (350, 232192), (400, 203168), (448, 181400), (512, 158725), (560, 145120), (640, 126980), (700, 116096), (800, 101584), (896, 90700), (907, 89600), (1120, 72560), (1280, 63490), (1400, 58048), (1600, 50792), (1792, 45350), (1814, 44800), (2240, 36280), (2560, 31745), (2800, 29024), (3200, 25396), (3584, 22675), (3628, 22400), (4480, 18140), (4535, 17920), (5600, 14512), (6349, 12800), (6400, 12698), (7256, 11200), (8960, 9070)]