211440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{881}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 656208

約数和(自身を除く): 444768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 881, 1762, 2643, 3524, 4405, 5286, 7048, 8810, 10572, 13215, 14096, 17620, 21144, 26430, 35240, 42288, 52860, 70480, 105720, 211440]

約数ペア:

[(1, 211440), (2, 105720), (3, 70480), (4, 52860), (5, 42288), (6, 35240), (8, 26430), (10, 21144), (12, 17620), (15, 14096), (16, 13215), (20, 10572), (24, 8810), (30, 7048), (40, 5286), (48, 4405), (60, 3524), (80, 2643), (120, 1762), (240, 881)]