161764120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4217}}^1$

素因数の和:4372

約数の個数: 64

約数和(自身を含む): 419100480

約数和(自身を除く): 257336360

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, 2740, 3836, 4217, 4795, 5480, 7672, 8434, 9590, 16868, 19180, 21085, 29519, 33736, 38360, 42170, 59038, 84340, 118076, 147595, 168680, 236152, 295190, 577729, 590380, 1155458, 1180760, 2310916, 2888645, 4044103, 4621832, 5777290, 8088206, 11554580, 16176412, 20220515, 23109160, 32352824, 40441030, 80882060, 161764120]

約数ペア:

[(1, 161764120), (2, 80882060), (4, 40441030), (5, 32352824), (7, 23109160), (8, 20220515), (10, 16176412), (14, 11554580), (20, 8088206), (28, 5777290), (35, 4621832), (40, 4044103), (56, 2888645), (70, 2310916), (137, 1180760), (140, 1155458), (274, 590380), (280, 577729), (548, 295190), (685, 236152), (959, 168680), (1096, 147595), (1370, 118076), (1918, 84340), (2740, 59038), (3836, 42170), (4217, 38360), (4795, 33736), (5480, 29519), (7672, 21085), (8434, 19180), (9590, 16868)]