1998186720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{4162889}}^1$

素因数の和:4162907

約数の個数: 48

約数和(自身を含む): 6294289680

約数和(自身を除く): 4296102960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 4162889, 8325778, 12488667, 16651556, 20814445, 24977334, 33303112, 41628890, 49954668, 62443335, 66606224, 83257780, 99909336, 124886670, 133212448, 166515560, 199818672, 249773340, 333031120, 399637344, 499546680, 666062240, 999093360, 1998186720]

約数ペア:

[(1, 1998186720), (2, 999093360), (3, 666062240), (4, 499546680), (5, 399637344), (6, 333031120), (8, 249773340), (10, 199818672), (12, 166515560), (15, 133212448), (16, 124886670), (20, 99909336), (24, 83257780), (30, 66606224), (32, 62443335), (40, 49954668), (48, 41628890), (60, 33303112), (80, 24977334), (96, 20814445), (120, 16651556), (160, 12488667), (240, 8325778), (480, 4162889)]