12820740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 36251712

約数和(自身を除く): 23430972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 1997, 2140, 3210, 3994, 5991, 6420, 7988, 9985, 11982, 19970, 23964, 29955, 39940, 59910, 119820, 213679, 427358, 641037, 854716, 1068395, 1282074, 2136790, 2564148, 3205185, 4273580, 6410370, 12820740]

約数ペア:

[(1, 12820740), (2, 6410370), (3, 4273580), (4, 3205185), (5, 2564148), (6, 2136790), (10, 1282074), (12, 1068395), (15, 854716), (20, 641037), (30, 427358), (60, 213679), (107, 119820), (214, 59910), (321, 39940), (428, 29955), (535, 23964), (642, 19970), (1070, 11982), (1284, 9985), (1605, 7988), (1997, 6420), (2140, 5991), (3210, 3994)]