30778680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{256489}}^1$

素因数の和:256503

約数の個数: 32

約数和(自身を含む): 92336400

約数和(自身を除く): 61557720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 256489, 512978, 769467, 1025956, 1282445, 1538934, 2051912, 2564890, 3077868, 3847335, 5129780, 6155736, 7694670, 10259560, 15389340, 30778680]

約数ペア:

[(1, 30778680), (2, 15389340), (3, 10259560), (4, 7694670), (5, 6155736), (6, 5129780), (8, 3847335), (10, 3077868), (12, 2564890), (15, 2051912), (20, 1538934), (24, 1282445), (30, 1025956), (40, 769467), (60, 512978), (120, 256489)]