78890820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10037}}^1$

素因数の和:10180

約数の個数: 48

約数和(自身を含む): 222602688

約数和(自身を除く): 143711868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 10037, 20074, 30111, 40148, 50185, 60222, 100370, 120444, 150555, 200740, 301110, 602220, 1314847, 2629694, 3944541, 5259388, 6574235, 7889082, 13148470, 15778164, 19722705, 26296940, 39445410, 78890820]

約数ペア:

[(1, 78890820), (2, 39445410), (3, 26296940), (4, 19722705), (5, 15778164), (6, 13148470), (10, 7889082), (12, 6574235), (15, 5259388), (20, 3944541), (30, 2629694), (60, 1314847), (131, 602220), (262, 301110), (393, 200740), (524, 150555), (655, 120444), (786, 100370), (1310, 60222), (1572, 50185), (1965, 40148), (2620, 30111), (3930, 20074), (7860, 10037)]