180339040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{161017}}^1$

素因数の和:161039

約数の個数: 48

約数和(自身を含む): 486918432

約数和(自身を除く): 306579392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 161017, 322034, 644068, 805085, 1127119, 1288136, 1610170, 2254238, 2576272, 3220340, 4508476, 5152544, 5635595, 6440680, 9016952, 11271190, 12881360, 18033904, 22542380, 25762720, 36067808, 45084760, 90169520, 180339040]

約数ペア:

[(1, 180339040), (2, 90169520), (4, 45084760), (5, 36067808), (7, 25762720), (8, 22542380), (10, 18033904), (14, 12881360), (16, 11271190), (20, 9016952), (28, 6440680), (32, 5635595), (35, 5152544), (40, 4508476), (56, 3220340), (70, 2576272), (80, 2254238), (112, 1610170), (140, 1288136), (160, 1127119), (224, 805085), (280, 644068), (560, 322034), (1120, 161017)]