66405990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{316219}}^1$

素因数の和:316236

約数の個数: 32

約数和(自身を含む): 182142720

約数和(自身を除く): 115736730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 316219, 632438, 948657, 1581095, 1897314, 2213533, 3162190, 4427066, 4743285, 6640599, 9486570, 11067665, 13281198, 22135330, 33202995, 66405990]

約数ペア:

[(1, 66405990), (2, 33202995), (3, 22135330), (5, 13281198), (6, 11067665), (7, 9486570), (10, 6640599), (14, 4743285), (15, 4427066), (21, 3162190), (30, 2213533), (35, 1897314), (42, 1581095), (70, 948657), (105, 632438), (210, 316219)]