42128460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21277}}^1$

素因数の和:21303

約数の個数: 72

約数和(自身を含む): 139413456

約数和(自身を除く): 97284996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 21277, 42554, 63831, 85108, 106385, 127662, 191493, 212770, 234047, 255324, 319155, 382986, 425540, 468094, 638310, 702141, 765972, 936188, 957465, 1170235, 1276620, 1404282, 1914930, 2106423, 2340470, 2808564, 3510705, 3829860, 4212846, 4680940, 7021410, 8425692, 10532115, 14042820, 21064230, 42128460]

約数ペア:

[(1, 42128460), (2, 21064230), (3, 14042820), (4, 10532115), (5, 8425692), (6, 7021410), (9, 4680940), (10, 4212846), (11, 3829860), (12, 3510705), (15, 2808564), (18, 2340470), (20, 2106423), (22, 1914930), (30, 1404282), (33, 1276620), (36, 1170235), (44, 957465), (45, 936188), (55, 765972), (60, 702141), (66, 638310), (90, 468094), (99, 425540), (110, 382986), (132, 319155), (165, 255324), (180, 234047), (198, 212770), (220, 191493), (330, 127662), (396, 106385), (495, 85108), (660, 63831), (990, 42554), (1980, 21277)]