77372120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2017}}^1$

素因数の和:2172

約数の個数: 64

約数和(自身を含む): 200508480

約数和(自身を除く): 123136360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1918, 2017, 2740, 3836, 4034, 4795, 5480, 7672, 8068, 9590, 10085, 14119, 16136, 19180, 20170, 28238, 38360, 40340, 56476, 70595, 80680, 112952, 141190, 276329, 282380, 552658, 564760, 1105316, 1381645, 1934303, 2210632, 2763290, 3868606, 5526580, 7737212, 9671515, 11053160, 15474424, 19343030, 38686060, 77372120]

約数ペア:

[(1, 77372120), (2, 38686060), (4, 19343030), (5, 15474424), (7, 11053160), (8, 9671515), (10, 7737212), (14, 5526580), (20, 3868606), (28, 2763290), (35, 2210632), (40, 1934303), (56, 1381645), (70, 1105316), (137, 564760), (140, 552658), (274, 282380), (280, 276329), (548, 141190), (685, 112952), (959, 80680), (1096, 70595), (1370, 56476), (1918, 40340), (2017, 38360), (2740, 28238), (3836, 20170), (4034, 19180), (4795, 16136), (5480, 14119), (7672, 10085), (8068, 9590)]