173875140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{321991}}^1$

素因数の和:322009

約数の個数: 48

約数和(自身を含む): 540946560

約数和(自身を除く): 367071420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 321991, 643982, 965973, 1287964, 1609955, 1931946, 2897919, 3219910, 3863892, 4829865, 5795838, 6439820, 8693757, 9659730, 11591676, 14489595, 17387514, 19319460, 28979190, 34775028, 43468785, 57958380, 86937570, 173875140]

約数ペア:

[(1, 173875140), (2, 86937570), (3, 57958380), (4, 43468785), (5, 34775028), (6, 28979190), (9, 19319460), (10, 17387514), (12, 14489595), (15, 11591676), (18, 9659730), (20, 8693757), (27, 6439820), (30, 5795838), (36, 4829865), (45, 3863892), (54, 3219910), (60, 2897919), (90, 1931946), (108, 1609955), (135, 1287964), (180, 965973), (270, 643982), (540, 321991)]