157211840

素因数分解:

$2^6\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1109}}^1$

素因数の和:1569

約数の個数: 56

約数和(自身を含む): 375544080

約数和(自身を除く): 218332240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 443, 886, 1109, 1772, 2215, 2218, 3544, 4430, 4436, 5545, 7088, 8860, 8872, 11090, 14176, 17720, 17744, 22180, 28352, 35440, 35488, 44360, 70880, 70976, 88720, 141760, 177440, 354880, 491287, 982574, 1965148, 2456435, 3930296, 4912870, 7860592, 9825740, 15721184, 19651480, 31442368, 39302960, 78605920, 157211840]

約数ペア:

[(1, 157211840), (2, 78605920), (4, 39302960), (5, 31442368), (8, 19651480), (10, 15721184), (16, 9825740), (20, 7860592), (32, 4912870), (40, 3930296), (64, 2456435), (80, 1965148), (160, 982574), (320, 491287), (443, 354880), (886, 177440), (1109, 141760), (1772, 88720), (2215, 70976), (2218, 70880), (3544, 44360), (4430, 35488), (4436, 35440), (5545, 28352), (7088, 22180), (8860, 17744), (8872, 17720), (11090, 14176)]