172801890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{640007}}^1$

素因数の和:640023

約数の個数: 32

約数和(自身を含む): 460805760

約数和(自身を除く): 288003870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 640007, 1280014, 1920021, 3200035, 3840042, 5760063, 6400070, 9600105, 11520126, 17280189, 19200210, 28800315, 34560378, 57600630, 86400945, 172801890]

約数ペア:

[(1, 172801890), (2, 86400945), (3, 57600630), (5, 34560378), (6, 28800315), (9, 19200210), (10, 17280189), (15, 11520126), (18, 9600105), (27, 6400070), (30, 5760063), (45, 3840042), (54, 3200035), (90, 1920021), (135, 1280014), (270, 640007)]