56755020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{135131}}^1$

素因数の和:135150

約数の個数: 48

約数和(自身を含む): 181617408

約数和(自身を除く): 124862388

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, 135131, 270262, 405393, 540524, 675655, 810786, 945917, 1351310, 1621572, 1891834, 2026965, 2702620, 2837751, 3783668, 4053930, 4729585, 5675502, 8107860, 9459170, 11351004, 14188755, 18918340, 28377510, 56755020]

約数ペア:

[(1, 56755020), (2, 28377510), (3, 18918340), (4, 14188755), (5, 11351004), (6, 9459170), (7, 8107860), (10, 5675502), (12, 4729585), (14, 4053930), (15, 3783668), (20, 2837751), (21, 2702620), (28, 2026965), (30, 1891834), (35, 1621572), (42, 1351310), (60, 945917), (70, 810786), (84, 675655), (105, 540524), (140, 405393), (210, 270262), (420, 135131)]