256133040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1067221}}^1$

素因数の和:1067237

約数の個数: 40

約数和(自身を含む): 794013168

約数和(自身を除く): 537880128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1067221, 2134442, 3201663, 4268884, 5336105, 6403326, 8537768, 10672210, 12806652, 16008315, 17075536, 21344420, 25613304, 32016630, 42688840, 51226608, 64033260, 85377680, 128066520, 256133040]

約数ペア:

[(1, 256133040), (2, 128066520), (3, 85377680), (4, 64033260), (5, 51226608), (6, 42688840), (8, 32016630), (10, 25613304), (12, 21344420), (15, 17075536), (16, 16008315), (20, 12806652), (24, 10672210), (30, 8537768), (40, 6403326), (48, 5336105), (60, 4268884), (80, 3201663), (120, 2134442), (240, 1067221)]