1991580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 5873280

約数和(自身を除く): 3881700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1747, 3494, 5241, 6988, 8735, 10482, 17470, 20964, 26205, 33193, 34940, 52410, 66386, 99579, 104820, 132772, 165965, 199158, 331930, 398316, 497895, 663860, 995790, 1991580]

約数ペア:

[(1, 1991580), (2, 995790), (3, 663860), (4, 497895), (5, 398316), (6, 331930), (10, 199158), (12, 165965), (15, 132772), (19, 104820), (20, 99579), (30, 66386), (38, 52410), (57, 34940), (60, 33193), (76, 26205), (95, 20964), (114, 17470), (190, 10482), (228, 8735), (285, 6988), (380, 5241), (570, 3494), (1140, 1747)]