64621890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1499}}^1$

素因数の和:1991

約数の個数: 48

約数和(自身を含む): 168480000

約数和(自身を除く): 103858110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 479, 958, 1437, 1499, 2395, 2874, 2998, 4311, 4497, 4790, 7185, 7495, 8622, 8994, 13491, 14370, 14990, 21555, 22485, 26982, 43110, 44970, 67455, 134910, 718021, 1436042, 2154063, 3590105, 4308126, 6462189, 7180210, 10770315, 12924378, 21540630, 32310945, 64621890]

約数ペア:

[(1, 64621890), (2, 32310945), (3, 21540630), (5, 12924378), (6, 10770315), (9, 7180210), (10, 6462189), (15, 4308126), (18, 3590105), (30, 2154063), (45, 1436042), (90, 718021), (479, 134910), (958, 67455), (1437, 44970), (1499, 43110), (2395, 26982), (2874, 22485), (2998, 21555), (4311, 14990), (4497, 14370), (4790, 13491), (7185, 8994), (7495, 8622)]