122142080

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1531

約数の個数: 64

約数和(自身を含む): 294310800

約数和(自身を除く): 172168720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1373, 1390, 2224, 2746, 2780, 4448, 5492, 5560, 6865, 8896, 10984, 11120, 13730, 17792, 21968, 22240, 27460, 43936, 44480, 54920, 87872, 88960, 109840, 175744, 190847, 219680, 381694, 439360, 763388, 878720, 954235, 1526776, 1908470, 3053552, 3816940, 6107104, 7633880, 12214208, 15267760, 24428416, 30535520, 61071040, 122142080]

約数ペア:

[(1, 122142080), (2, 61071040), (4, 30535520), (5, 24428416), (8, 15267760), (10, 12214208), (16, 7633880), (20, 6107104), (32, 3816940), (40, 3053552), (64, 1908470), (80, 1526776), (128, 954235), (139, 878720), (160, 763388), (278, 439360), (320, 381694), (556, 219680), (640, 190847), (695, 175744), (1112, 109840), (1373, 88960), (1390, 87872), (2224, 54920), (2746, 44480), (2780, 43936), (4448, 27460), (5492, 22240), (5560, 21968), (6865, 17792), (8896, 13730), (10984, 11120)]