15302960

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{971}}^1$

素因数の和:1181

約数の個数: 40

約数和(自身を含む): 35796816

約数和(自身を除く): 20493856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 971, 985, 1576, 1942, 1970, 3152, 3884, 3940, 4855, 7768, 7880, 9710, 15536, 15760, 19420, 38840, 77680, 191287, 382574, 765148, 956435, 1530296, 1912870, 3060592, 3825740, 7651480, 15302960]

約数ペア:

[(1, 15302960), (2, 7651480), (4, 3825740), (5, 3060592), (8, 1912870), (10, 1530296), (16, 956435), (20, 765148), (40, 382574), (80, 191287), (197, 77680), (394, 38840), (788, 19420), (971, 15760), (985, 15536), (1576, 9710), (1942, 7880), (1970, 7768), (3152, 4855), (3884, 3940)]