128520780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93131}}^1$

素因数の和:93166

約数の個数: 48

約数和(自身を含む): 375508224

約数和(自身を除く): 246987444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 93131, 186262, 279393, 372524, 465655, 558786, 931310, 1117572, 1396965, 1862620, 2142013, 2793930, 4284026, 5587860, 6426039, 8568052, 10710065, 12852078, 21420130, 25704156, 32130195, 42840260, 64260390, 128520780]

約数ペア:

[(1, 128520780), (2, 64260390), (3, 42840260), (4, 32130195), (5, 25704156), (6, 21420130), (10, 12852078), (12, 10710065), (15, 8568052), (20, 6426039), (23, 5587860), (30, 4284026), (46, 2793930), (60, 2142013), (69, 1862620), (92, 1396965), (115, 1117572), (138, 931310), (230, 558786), (276, 465655), (345, 372524), (460, 279393), (690, 186262), (1380, 93131)]