81980616

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 212889600

約数和(自身を除く): 130908984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 251, 372, 439, 502, 744, 753, 878, 1004, 1317, 1506, 1756, 2008, 2634, 3012, 3512, 5268, 6024, 7781, 10536, 13609, 15562, 23343, 27218, 31124, 40827, 46686, 54436, 62248, 81654, 93372, 108872, 110189, 163308, 186744, 220378, 326616, 330567, 440756, 661134, 881512, 1322268, 2644536, 3415859, 6831718, 10247577, 13663436, 20495154, 27326872, 40990308, 81980616]

約数ペア:

[(1, 81980616), (2, 40990308), (3, 27326872), (4, 20495154), (6, 13663436), (8, 10247577), (12, 6831718), (24, 3415859), (31, 2644536), (62, 1322268), (93, 881512), (124, 661134), (186, 440756), (248, 330567), (251, 326616), (372, 220378), (439, 186744), (502, 163308), (744, 110189), (753, 108872), (878, 93372), (1004, 81654), (1317, 62248), (1506, 54436), (1756, 46686), (2008, 40827), (2634, 31124), (3012, 27218), (3512, 23343), (5268, 15562), (6024, 13609), (7781, 10536)]