6645320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1373}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 16446780

約数和(自身を除く): 9801460

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1373, 2420, 2746, 4840, 5492, 6865, 10984, 13730, 15103, 27460, 30206, 54920, 60412, 75515, 120824, 151030, 166133, 302060, 332266, 604120, 664532, 830665, 1329064, 1661330, 3322660, 6645320]

約数ペア:

[(1, 6645320), (2, 3322660), (4, 1661330), (5, 1329064), (8, 830665), (10, 664532), (11, 604120), (20, 332266), (22, 302060), (40, 166133), (44, 151030), (55, 120824), (88, 75515), (110, 60412), (121, 54920), (220, 30206), (242, 27460), (440, 15103), (484, 13730), (605, 10984), (968, 6865), (1210, 5492), (1373, 4840), (2420, 2746)]