1652920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 3932280

約数和(自身を除く): 2279360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 961, 1240, 1333, 1720, 1922, 2666, 3844, 4805, 5332, 6665, 7688, 9610, 10664, 13330, 19220, 26660, 38440, 41323, 53320, 82646, 165292, 206615, 330584, 413230, 826460, 1652920]

約数ペア:

[(1, 1652920), (2, 826460), (4, 413230), (5, 330584), (8, 206615), (10, 165292), (20, 82646), (31, 53320), (40, 41323), (43, 38440), (62, 26660), (86, 19220), (124, 13330), (155, 10664), (172, 9610), (215, 7688), (248, 6665), (310, 5332), (344, 4805), (430, 3844), (620, 2666), (860, 1922), (961, 1720), (1240, 1333)]