65817640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{751}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 170012160

約数和(自身を除く): 104194520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 751, 1252, 1502, 1565, 2191, 2504, 3004, 3130, 3755, 4382, 5257, 6008, 6260, 7510, 8764, 10514, 10955, 12520, 15020, 17528, 21028, 21910, 26285, 30040, 42056, 43820, 52570, 87640, 105140, 210280, 235063, 470126, 940252, 1175315, 1645441, 1880504, 2350630, 3290882, 4701260, 6581764, 8227205, 9402520, 13163528, 16454410, 32908820, 65817640]

約数ペア:

[(1, 65817640), (2, 32908820), (4, 16454410), (5, 13163528), (7, 9402520), (8, 8227205), (10, 6581764), (14, 4701260), (20, 3290882), (28, 2350630), (35, 1880504), (40, 1645441), (56, 1175315), (70, 940252), (140, 470126), (280, 235063), (313, 210280), (626, 105140), (751, 87640), (1252, 52570), (1502, 43820), (1565, 42056), (2191, 30040), (2504, 26285), (3004, 21910), (3130, 21028), (3755, 17528), (4382, 15020), (5257, 12520), (6008, 10955), (6260, 10514), (7510, 8764)]