64485690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20089}}^1$

素因数の和:20206

約数の個数: 32

約数和(自身を含む): 156219840

約数和(自身を除く): 91734150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 20089, 40178, 60267, 100445, 120534, 200890, 301335, 602670, 2149523, 4299046, 6448569, 10747615, 12897138, 21495230, 32242845, 64485690]

約数ペア:

[(1, 64485690), (2, 32242845), (3, 21495230), (5, 12897138), (6, 10747615), (10, 6448569), (15, 4299046), (30, 2149523), (107, 602670), (214, 301335), (321, 200890), (535, 120534), (642, 100445), (1070, 60267), (1605, 40178), (3210, 20089)]