42657090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10691}}^1$

素因数の和:10727

約数の個数: 64

約数和(自身を含む): 123171840

約数和(自身を除く): 80514750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 10691, 21382, 32073, 53455, 64146, 74837, 106910, 149674, 160365, 203129, 224511, 320730, 374185, 406258, 449022, 609387, 748370, 1015645, 1122555, 1218774, 1421903, 2031290, 2245110, 2843806, 3046935, 4265709, 6093870, 7109515, 8531418, 14219030, 21328545, 42657090]

約数ペア:

[(1, 42657090), (2, 21328545), (3, 14219030), (5, 8531418), (6, 7109515), (7, 6093870), (10, 4265709), (14, 3046935), (15, 2843806), (19, 2245110), (21, 2031290), (30, 1421903), (35, 1218774), (38, 1122555), (42, 1015645), (57, 748370), (70, 609387), (95, 449022), (105, 406258), (114, 374185), (133, 320730), (190, 224511), (210, 203129), (266, 160365), (285, 149674), (399, 106910), (570, 74837), (665, 64146), (798, 53455), (1330, 32073), (1995, 21382), (3990, 10691)]