28666740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20773}}^1$

素因数の和:20808

約数の個数: 48

約数和(自身を含む): 83760768

約数和(自身を除く): 55094028

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, 20773, 41546, 62319, 83092, 103865, 124638, 207730, 249276, 311595, 415460, 477779, 623190, 955558, 1246380, 1433337, 1911116, 2388895, 2866674, 4777790, 5733348, 7166685, 9555580, 14333370, 28666740]

約数ペア:

[(1, 28666740), (2, 14333370), (3, 9555580), (4, 7166685), (5, 5733348), (6, 4777790), (10, 2866674), (12, 2388895), (15, 1911116), (20, 1433337), (23, 1246380), (30, 955558), (46, 623190), (60, 477779), (69, 415460), (92, 311595), (115, 249276), (138, 207730), (230, 124638), (276, 103865), (345, 83092), (460, 62319), (690, 41546), (1380, 20773)]