257536680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2146139}}^1$

素因数の和:2146153

約数の個数: 32

約数和(自身を含む): 772610400

約数和(自身を除く): 515073720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2146139, 4292278, 6438417, 8584556, 10730695, 12876834, 17169112, 21461390, 25753668, 32192085, 42922780, 51507336, 64384170, 85845560, 128768340, 257536680]

約数ペア:

[(1, 257536680), (2, 128768340), (3, 85845560), (4, 64384170), (5, 51507336), (6, 42922780), (8, 32192085), (10, 25753668), (12, 21461390), (15, 17169112), (20, 12876834), (24, 10730695), (30, 8584556), (40, 6438417), (60, 4292278), (120, 2146139)]