1580260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{653}}^1$

素因数の和:684

約数の個数: 36

約数和(自身を含む): 3653244

約数和(自身を除く): 2072984

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 653, 1210, 1306, 2420, 2612, 3265, 6530, 7183, 13060, 14366, 28732, 35915, 71830, 79013, 143660, 158026, 316052, 395065, 790130, 1580260]

約数ペア:

[(1, 1580260), (2, 790130), (4, 395065), (5, 316052), (10, 158026), (11, 143660), (20, 79013), (22, 71830), (44, 35915), (55, 28732), (110, 14366), (121, 13060), (220, 7183), (242, 6530), (484, 3265), (605, 2612), (653, 2420), (1210, 1306)]