56981820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{135671}}^1$

素因数の和:135690

約数の個数: 48

約数和(自身を含む): 182343168

約数和(自身を除く): 125361348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 135671, 271342, 407013, 542684, 678355, 814026, 949697, 1356710, 1628052, 1899394, 2035065, 2713420, 2849091, 3798788, 4070130, 4748485, 5698182, 8140260, 9496970, 11396364, 14245455, 18993940, 28490910, 56981820]

約数ペア:

[(1, 56981820), (2, 28490910), (3, 18993940), (4, 14245455), (5, 11396364), (6, 9496970), (7, 8140260), (10, 5698182), (12, 4748485), (14, 4070130), (15, 3798788), (20, 2849091), (21, 2713420), (28, 2035065), (30, 1899394), (35, 1628052), (42, 1356710), (60, 949697), (70, 814026), (84, 678355), (105, 542684), (140, 407013), (210, 271342), (420, 135671)]