660388030

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1\times {\mathrm{1523}}^1$

素因数の和:1992

約数の個数: 32

約数和(自身を含む): 1202179968

約数和(自身を除く): 541791938

約数列:

[1, 2, 5, 10, 131, 262, 331, 655, 662, 1310, 1523, 1655, 3046, 3310, 7615, 15230, 43361, 86722, 199513, 216805, 399026, 433610, 504113, 997565, 1008226, 1995130, 2520565, 5041130, 66038803, 132077606, 330194015, 660388030]

約数ペア:

[(1, 660388030), (2, 330194015), (5, 132077606), (10, 66038803), (131, 5041130), (262, 2520565), (331, 1995130), (655, 1008226), (662, 997565), (1310, 504113), (1523, 433610), (1655, 399026), (3046, 216805), (3310, 199513), (7615, 86722), (15230, 43361)]