161780490124

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{997}}^1\times {\mathrm{3767}}^1$

素因数の和:4879

約数の個数: 72

約数和(自身を含む): 315089278560

約数和(自身を除く): 153308788436

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 242, 356, 484, 979, 997, 1958, 1994, 3767, 3916, 3988, 7534, 10769, 10967, 15068, 21538, 21934, 41437, 43076, 43868, 82874, 88733, 120637, 165748, 177466, 241274, 335263, 354932, 455807, 482548, 670526, 911614, 976063, 1341052, 1823228, 1952126, 3687893, 3755699, 3904252, 7375786, 7511398, 10736693, 14751572, 15022796, 21473386, 40566823, 41312689, 42946772, 81133646, 82625378, 162267292, 165250756, 334257211, 454439579, 668514422, 908879158, 1337028844, 1817758316, 3676829321, 7353658642, 14707317284, 40445122531, 80890245062, 161780490124]

約数ペア:

[(1, 161780490124), (2, 80890245062), (4, 40445122531), (11, 14707317284), (22, 7353658642), (44, 3676829321), (89, 1817758316), (121, 1337028844), (178, 908879158), (242, 668514422), (356, 454439579), (484, 334257211), (979, 165250756), (997, 162267292), (1958, 82625378), (1994, 81133646), (3767, 42946772), (3916, 41312689), (3988, 40566823), (7534, 21473386), (10769, 15022796), (10967, 14751572), (15068, 10736693), (21538, 7511398), (21934, 7375786), (41437, 3904252), (43076, 3755699), (43868, 3687893), (82874, 1952126), (88733, 1823228), (120637, 1341052), (165748, 976063), (177466, 911614), (241274, 670526), (335263, 482548), (354932, 455807)]