51756780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1321}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 145250784

約数和(自身を除く): 93494004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 653, 1306, 1321, 1959, 2612, 2642, 3265, 3918, 3963, 5284, 6530, 6605, 7836, 7926, 9795, 13060, 13210, 15852, 19590, 19815, 26420, 39180, 39630, 79260, 862613, 1725226, 2587839, 3450452, 4313065, 5175678, 8626130, 10351356, 12939195, 17252260, 25878390, 51756780]

約数ペア:

[(1, 51756780), (2, 25878390), (3, 17252260), (4, 12939195), (5, 10351356), (6, 8626130), (10, 5175678), (12, 4313065), (15, 3450452), (20, 2587839), (30, 1725226), (60, 862613), (653, 79260), (1306, 39630), (1321, 39180), (1959, 26420), (2612, 19815), (2642, 19590), (3265, 15852), (3918, 13210), (3963, 13060), (5284, 9795), (6530, 7926), (6605, 7836)]