28645320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21701}}^1$

素因数の和:21726

約数の個数: 64

約数和(自身を含む): 93752640

約数和(自身を除く): 65107320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21701, 43402, 65103, 86804, 108505, 130206, 173608, 217010, 238711, 260412, 325515, 434020, 477422, 520824, 651030, 716133, 868040, 954844, 1193555, 1302060, 1432266, 1909688, 2387110, 2604120, 2864532, 3580665, 4774220, 5729064, 7161330, 9548440, 14322660, 28645320]

約数ペア:

[(1, 28645320), (2, 14322660), (3, 9548440), (4, 7161330), (5, 5729064), (6, 4774220), (8, 3580665), (10, 2864532), (11, 2604120), (12, 2387110), (15, 1909688), (20, 1432266), (22, 1302060), (24, 1193555), (30, 954844), (33, 868040), (40, 716133), (44, 651030), (55, 520824), (60, 477422), (66, 434020), (88, 325515), (110, 260412), (120, 238711), (132, 217010), (165, 173608), (220, 130206), (264, 108505), (330, 86804), (440, 65103), (660, 43402), (1320, 21701)]