205502040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{570839}}^1$

素因数の和:570856

約数の個数: 48

約数和(自身を含む): 667882800

約数和(自身を除く): 462380760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 570839, 1141678, 1712517, 2283356, 2854195, 3425034, 4566712, 5137551, 5708390, 6850068, 8562585, 10275102, 11416780, 13700136, 17125170, 20550204, 22833560, 25687755, 34250340, 41100408, 51375510, 68500680, 102751020, 205502040]

約数ペア:

[(1, 205502040), (2, 102751020), (3, 68500680), (4, 51375510), (5, 41100408), (6, 34250340), (8, 25687755), (9, 22833560), (10, 20550204), (12, 17125170), (15, 13700136), (18, 11416780), (20, 10275102), (24, 8562585), (30, 6850068), (36, 5708390), (40, 5137551), (45, 4566712), (60, 3425034), (72, 2854195), (90, 2283356), (120, 1712517), (180, 1141678), (360, 570839)]