140147640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{389299}}^1$

素因数の和:389316

約数の個数: 48

約数和(自身を含む): 455481000

約数和(自身を除く): 315333360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 389299, 778598, 1167897, 1557196, 1946495, 2335794, 3114392, 3503691, 3892990, 4671588, 5839485, 7007382, 7785980, 9343176, 11678970, 14014764, 15571960, 17518455, 23357940, 28029528, 35036910, 46715880, 70073820, 140147640]

約数ペア:

[(1, 140147640), (2, 70073820), (3, 46715880), (4, 35036910), (5, 28029528), (6, 23357940), (8, 17518455), (9, 15571960), (10, 14014764), (12, 11678970), (15, 9343176), (18, 7785980), (20, 7007382), (24, 5839485), (30, 4671588), (36, 3892990), (40, 3503691), (45, 3114392), (60, 2335794), (72, 1946495), (90, 1557196), (120, 1167897), (180, 778598), (360, 389299)]