64987620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25189}}^1$

素因数の和:25244

約数の個数: 48

約数和(自身を含む): 186204480

約数和(自身を除く): 121216860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 25189, 50378, 75567, 100756, 125945, 151134, 251890, 302268, 377835, 503780, 755670, 1083127, 1511340, 2166254, 3249381, 4332508, 5415635, 6498762, 10831270, 12997524, 16246905, 21662540, 32493810, 64987620]

約数ペア:

[(1, 64987620), (2, 32493810), (3, 21662540), (4, 16246905), (5, 12997524), (6, 10831270), (10, 6498762), (12, 5415635), (15, 4332508), (20, 3249381), (30, 2166254), (43, 1511340), (60, 1083127), (86, 755670), (129, 503780), (172, 377835), (215, 302268), (258, 251890), (430, 151134), (516, 125945), (645, 100756), (860, 75567), (1290, 50378), (2580, 25189)]