65940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 212352

約数和(自身を除く): 146412

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, 157, 210, 314, 420, 471, 628, 785, 942, 1099, 1570, 1884, 2198, 2355, 3140, 3297, 4396, 4710, 5495, 6594, 9420, 10990, 13188, 16485, 21980, 32970, 65940]

約数ペア:

[(1, 65940), (2, 32970), (3, 21980), (4, 16485), (5, 13188), (6, 10990), (7, 9420), (10, 6594), (12, 5495), (14, 4710), (15, 4396), (20, 3297), (21, 3140), (28, 2355), (30, 2198), (35, 1884), (42, 1570), (60, 1099), (70, 942), (84, 785), (105, 628), (140, 471), (157, 420), (210, 314)]