320430420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1780169}}^1$

素因数の和:1780184

約数の個数: 36

約数和(自身を含む): 971972820

約数和(自身を除く): 651542400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1780169, 3560338, 5340507, 7120676, 8900845, 10681014, 16021521, 17801690, 21362028, 26702535, 32043042, 35603380, 53405070, 64086084, 80107605, 106810140, 160215210, 320430420]

約数ペア:

[(1, 320430420), (2, 160215210), (3, 106810140), (4, 80107605), (5, 64086084), (6, 53405070), (9, 35603380), (10, 32043042), (12, 26702535), (15, 21362028), (18, 17801690), (20, 16021521), (30, 10681014), (36, 8900845), (45, 7120676), (60, 5340507), (90, 3560338), (180, 1780169)]