217046080

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7621}}^1$

素因数の和:7727

約数の個数: 56

約数和(自身を含む): 522716760

約数和(自身を除く): 305670680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 7621, 14240, 15242, 28480, 30484, 38105, 60968, 76210, 121936, 152420, 243872, 304840, 487744, 609680, 678269, 1219360, 1356538, 2438720, 2713076, 3391345, 5426152, 6782690, 10852304, 13565380, 21704608, 27130760, 43409216, 54261520, 108523040, 217046080]

約数ペア:

[(1, 217046080), (2, 108523040), (4, 54261520), (5, 43409216), (8, 27130760), (10, 21704608), (16, 13565380), (20, 10852304), (32, 6782690), (40, 5426152), (64, 3391345), (80, 2713076), (89, 2438720), (160, 1356538), (178, 1219360), (320, 678269), (356, 609680), (445, 487744), (712, 304840), (890, 243872), (1424, 152420), (1780, 121936), (2848, 76210), (3560, 60968), (5696, 38105), (7120, 30484), (7621, 28480), (14240, 15242)]