205253040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{855221}}^1$

素因数の和:855237

約数の個数: 40

約数和(自身を含む): 636285168

約数和(自身を除く): 431032128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 855221, 1710442, 2565663, 3420884, 4276105, 5131326, 6841768, 8552210, 10262652, 12828315, 13683536, 17104420, 20525304, 25656630, 34208840, 41050608, 51313260, 68417680, 102626520, 205253040]

約数ペア:

[(1, 205253040), (2, 102626520), (3, 68417680), (4, 51313260), (5, 41050608), (6, 34208840), (8, 25656630), (10, 20525304), (12, 17104420), (15, 13683536), (16, 12828315), (20, 10262652), (24, 8552210), (30, 6841768), (40, 5131326), (48, 4276105), (60, 3420884), (80, 2565663), (120, 1710442), (240, 855221)]