1581106180

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{2609}}^1$

素因数の和:2968

約数の個数: 48

約数和(自身を含む): 3360072240

約数和(自身を除く): 1778966060

約数列:

[1, 2, 4, 5, 10, 20, 157, 193, 314, 386, 628, 772, 785, 965, 1570, 1930, 2609, 3140, 3860, 5218, 10436, 13045, 26090, 30301, 52180, 60602, 121204, 151505, 303010, 409613, 503537, 606020, 819226, 1007074, 1638452, 2014148, 2048065, 2517685, 4096130, 5035370, 8192260, 10070740, 79055309, 158110618, 316221236, 395276545, 790553090, 1581106180]

約数ペア:

[(1, 1581106180), (2, 790553090), (4, 395276545), (5, 316221236), (10, 158110618), (20, 79055309), (157, 10070740), (193, 8192260), (314, 5035370), (386, 4096130), (628, 2517685), (772, 2048065), (785, 2014148), (965, 1638452), (1570, 1007074), (1930, 819226), (2609, 606020), (3140, 503537), (3860, 409613), (5218, 303010), (10436, 151505), (13045, 121204), (26090, 60602), (30301, 52180)]