156920820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{373621}}^1$

素因数の和:373640

約数の個数: 48

約数和(自身を含む): 502147968

約数和(自身を除く): 345227148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 373621, 747242, 1120863, 1494484, 1868105, 2241726, 2615347, 3736210, 4483452, 5230694, 5604315, 7472420, 7846041, 10461388, 11208630, 13076735, 15692082, 22417260, 26153470, 31384164, 39230205, 52306940, 78460410, 156920820]

約数ペア:

[(1, 156920820), (2, 78460410), (3, 52306940), (4, 39230205), (5, 31384164), (6, 26153470), (7, 22417260), (10, 15692082), (12, 13076735), (14, 11208630), (15, 10461388), (20, 7846041), (21, 7472420), (28, 5604315), (30, 5230694), (35, 4483452), (42, 3736210), (60, 2615347), (70, 2241726), (84, 1868105), (105, 1494484), (140, 1120863), (210, 747242), (420, 373621)]