281451520

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{7853}}^1$

素因数の和:7885

約数の個数: 88

約数和(自身を含む): 771702624

約数和(自身を除く): 490251104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 7853, 8960, 15706, 17920, 31412, 35840, 39265, 54971, 62824, 78530, 109942, 125648, 157060, 219884, 251296, 274855, 314120, 439768, 502592, 549710, 628240, 879536, 1005184, 1099420, 1256480, 1759072, 2010368, 2198840, 2512960, 3518144, 4020736, 4397680, 5025920, 7036288, 8041472, 8795360, 10051840, 14072576, 17590720, 20103680, 28145152, 35181440, 40207360, 56290304, 70362880, 140725760, 281451520]

約数ペア:

[(1, 281451520), (2, 140725760), (4, 70362880), (5, 56290304), (7, 40207360), (8, 35181440), (10, 28145152), (14, 20103680), (16, 17590720), (20, 14072576), (28, 10051840), (32, 8795360), (35, 8041472), (40, 7036288), (56, 5025920), (64, 4397680), (70, 4020736), (80, 3518144), (112, 2512960), (128, 2198840), (140, 2010368), (160, 1759072), (224, 1256480), (256, 1099420), (280, 1005184), (320, 879536), (448, 628240), (512, 549710), (560, 502592), (640, 439768), (896, 314120), (1024, 274855), (1120, 251296), (1280, 219884), (1792, 157060), (2240, 125648), (2560, 109942), (3584, 78530), (4480, 62824), (5120, 54971), (7168, 39265), (7853, 35840), (8960, 31412), (15706, 17920)]