257972160

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{268721}}^1$

素因数の和:268741

約数の個数: 56

約数和(自身を含む): 819064656

約数和(自身を除く): 561092496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 268721, 537442, 806163, 1074884, 1343605, 1612326, 2149768, 2687210, 3224652, 4030815, 4299536, 5374420, 6449304, 8061630, 8599072, 10748840, 12898608, 16123260, 17198144, 21497680, 25797216, 32246520, 42995360, 51594432, 64493040, 85990720, 128986080, 257972160]

約数ペア:

[(1, 257972160), (2, 128986080), (3, 85990720), (4, 64493040), (5, 51594432), (6, 42995360), (8, 32246520), (10, 25797216), (12, 21497680), (15, 17198144), (16, 16123260), (20, 12898608), (24, 10748840), (30, 8599072), (32, 8061630), (40, 6449304), (48, 5374420), (60, 4299536), (64, 4030815), (80, 3224652), (96, 2687210), (120, 2149768), (160, 1612326), (192, 1343605), (240, 1074884), (320, 806163), (480, 537442), (960, 268721)]