51731760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 161061120

約数和(自身を除く): 109329360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 439, 491, 878, 982, 1317, 1473, 1756, 1964, 2195, 2455, 2634, 2946, 3512, 3928, 4390, 4910, 5268, 5892, 6585, 7024, 7365, 7856, 8780, 9820, 10536, 11784, 13170, 14730, 17560, 19640, 21072, 23568, 26340, 29460, 35120, 39280, 52680, 58920, 105360, 117840, 215549, 431098, 646647, 862196, 1077745, 1293294, 1724392, 2155490, 2586588, 3233235, 3448784, 4310980, 5173176, 6466470, 8621960, 10346352, 12932940, 17243920, 25865880, 51731760]

約数ペア:

[(1, 51731760), (2, 25865880), (3, 17243920), (4, 12932940), (5, 10346352), (6, 8621960), (8, 6466470), (10, 5173176), (12, 4310980), (15, 3448784), (16, 3233235), (20, 2586588), (24, 2155490), (30, 1724392), (40, 1293294), (48, 1077745), (60, 862196), (80, 646647), (120, 431098), (240, 215549), (439, 117840), (491, 105360), (878, 58920), (982, 52680), (1317, 39280), (1473, 35120), (1756, 29460), (1964, 26340), (2195, 23568), (2455, 21072), (2634, 19640), (2946, 17560), (3512, 14730), (3928, 13170), (4390, 11784), (4910, 10536), (5268, 9820), (5892, 8780), (6585, 7856), (7024, 7365)]