155771840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:574

約数の個数: 112

約数和(自身を含む): 427280832

約数和(自身を除く): 271508992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 197, 224, 280, 320, 353, 394, 448, 560, 706, 788, 985, 1120, 1379, 1412, 1576, 1765, 1970, 2240, 2471, 2758, 2824, 3152, 3530, 3940, 4942, 5516, 5648, 6304, 6895, 7060, 7880, 9884, 11032, 11296, 12355, 12608, 13790, 14120, 15760, 19768, 22064, 22592, 24710, 27580, 28240, 31520, 39536, 44128, 49420, 55160, 56480, 63040, 69541, 79072, 88256, 98840, 110320, 112960, 139082, 158144, 197680, 220640, 278164, 347705, 395360, 441280, 486787, 556328, 695410, 790720, 973574, 1112656, 1390820, 1947148, 2225312, 2433935, 2781640, 3894296, 4450624, 4867870, 5563280, 7788592, 9735740, 11126560, 15577184, 19471480, 22253120, 31154368, 38942960, 77885920, 155771840]

約数ペア:

[(1, 155771840), (2, 77885920), (4, 38942960), (5, 31154368), (7, 22253120), (8, 19471480), (10, 15577184), (14, 11126560), (16, 9735740), (20, 7788592), (28, 5563280), (32, 4867870), (35, 4450624), (40, 3894296), (56, 2781640), (64, 2433935), (70, 2225312), (80, 1947148), (112, 1390820), (140, 1112656), (160, 973574), (197, 790720), (224, 695410), (280, 556328), (320, 486787), (353, 441280), (394, 395360), (448, 347705), (560, 278164), (706, 220640), (788, 197680), (985, 158144), (1120, 139082), (1379, 112960), (1412, 110320), (1576, 98840), (1765, 88256), (1970, 79072), (2240, 69541), (2471, 63040), (2758, 56480), (2824, 55160), (3152, 49420), (3530, 44128), (3940, 39536), (4942, 31520), (5516, 28240), (5648, 27580), (6304, 24710), (6895, 22592), (7060, 22064), (7880, 19768), (9884, 15760), (11032, 14120), (11296, 13790), (12355, 12608)]