61978890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13159}}^1$

素因数の和:13326

約数の個数: 32

約数和(自身を含む): 149708160

約数和(自身を除く): 87729270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4710, 13159, 26318, 39477, 65795, 78954, 131590, 197385, 394770, 2065963, 4131926, 6197889, 10329815, 12395778, 20659630, 30989445, 61978890]

約数ペア:

[(1, 61978890), (2, 30989445), (3, 20659630), (5, 12395778), (6, 10329815), (10, 6197889), (15, 4131926), (30, 2065963), (157, 394770), (314, 197385), (471, 131590), (785, 78954), (942, 65795), (1570, 39477), (2355, 26318), (4710, 13159)]