155138640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{646411}}^1$

素因数の和:646427

約数の個数: 40

約数和(自身を含む): 480930528

約数和(自身を除く): 325791888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 646411, 1292822, 1939233, 2585644, 3232055, 3878466, 5171288, 6464110, 7756932, 9696165, 10342576, 12928220, 15513864, 19392330, 25856440, 31027728, 38784660, 51712880, 77569320, 155138640]

約数ペア:

[(1, 155138640), (2, 77569320), (3, 51712880), (4, 38784660), (5, 31027728), (6, 25856440), (8, 19392330), (10, 15513864), (12, 12928220), (15, 10342576), (16, 9696165), (20, 7756932), (24, 6464110), (30, 5171288), (40, 3878466), (48, 3232055), (60, 2585644), (80, 1939233), (120, 1292822), (240, 646411)]