128807580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{195163}}^1$

素因数の和:195186

約数の個数: 48

約数和(自身を含む): 393450624

約数和(自身を除く): 264643044

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 195163, 390326, 585489, 780652, 975815, 1170978, 1951630, 2146793, 2341956, 2927445, 3903260, 4293586, 5854890, 6440379, 8587172, 10733965, 11709780, 12880758, 21467930, 25761516, 32201895, 42935860, 64403790, 128807580]

約数ペア:

[(1, 128807580), (2, 64403790), (3, 42935860), (4, 32201895), (5, 25761516), (6, 21467930), (10, 12880758), (11, 11709780), (12, 10733965), (15, 8587172), (20, 6440379), (22, 5854890), (30, 4293586), (33, 3903260), (44, 2927445), (55, 2341956), (60, 2146793), (66, 1951630), (110, 1170978), (132, 975815), (165, 780652), (220, 585489), (330, 390326), (660, 195163)]