12640740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30097}}^1$

素因数の和:30116

約数の個数: 48

約数和(自身を含む): 40451712

約数和(自身を除く): 27810972

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, 30097, 60194, 90291, 120388, 150485, 180582, 210679, 300970, 361164, 421358, 451455, 601940, 632037, 842716, 902910, 1053395, 1264074, 1805820, 2106790, 2528148, 3160185, 4213580, 6320370, 12640740]

約数ペア:

[(1, 12640740), (2, 6320370), (3, 4213580), (4, 3160185), (5, 2528148), (6, 2106790), (7, 1805820), (10, 1264074), (12, 1053395), (14, 902910), (15, 842716), (20, 632037), (21, 601940), (28, 451455), (30, 421358), (35, 361164), (42, 300970), (60, 210679), (70, 180582), (84, 150485), (105, 120388), (140, 90291), (210, 60194), (420, 30097)]