161089040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{937}}^1$

素因数の和:1264

約数の個数: 80

約数和(自身を含む): 429889152

約数和(自身を除く): 268800112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 560, 614, 937, 1228, 1535, 1874, 2149, 2456, 3070, 3748, 4298, 4685, 4912, 6140, 6559, 7496, 8596, 9370, 10745, 12280, 13118, 14992, 17192, 18740, 21490, 24560, 26236, 32795, 34384, 37480, 42980, 52472, 65590, 74960, 85960, 104944, 131180, 171920, 262360, 287659, 524720, 575318, 1150636, 1438295, 2013613, 2301272, 2876590, 4027226, 4602544, 5753180, 8054452, 10068065, 11506360, 16108904, 20136130, 23012720, 32217808, 40272260, 80544520, 161089040]

約数ペア:

[(1, 161089040), (2, 80544520), (4, 40272260), (5, 32217808), (7, 23012720), (8, 20136130), (10, 16108904), (14, 11506360), (16, 10068065), (20, 8054452), (28, 5753180), (35, 4602544), (40, 4027226), (56, 2876590), (70, 2301272), (80, 2013613), (112, 1438295), (140, 1150636), (280, 575318), (307, 524720), (560, 287659), (614, 262360), (937, 171920), (1228, 131180), (1535, 104944), (1874, 85960), (2149, 74960), (2456, 65590), (3070, 52472), (3748, 42980), (4298, 37480), (4685, 34384), (4912, 32795), (6140, 26236), (6559, 24560), (7496, 21490), (8596, 18740), (9370, 17192), (10745, 14992), (12280, 13118)]