161729590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 330946560

約数和(自身を除く): 169216970

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 79, 110, 158, 185, 370, 395, 407, 503, 790, 814, 869, 1006, 1738, 2035, 2515, 2923, 4070, 4345, 5030, 5533, 5846, 8690, 11066, 14615, 18611, 27665, 29230, 32153, 37222, 39737, 55330, 64306, 79474, 93055, 160765, 186110, 198685, 204721, 321530, 397370, 409442, 437107, 874214, 1023605, 1470269, 2047210, 2185535, 2940538, 4371070, 7351345, 14702690, 16172959, 32345918, 80864795, 161729590]

約数ペア:

[(1, 161729590), (2, 80864795), (5, 32345918), (10, 16172959), (11, 14702690), (22, 7351345), (37, 4371070), (55, 2940538), (74, 2185535), (79, 2047210), (110, 1470269), (158, 1023605), (185, 874214), (370, 437107), (395, 409442), (407, 397370), (503, 321530), (790, 204721), (814, 198685), (869, 186110), (1006, 160765), (1738, 93055), (2035, 79474), (2515, 64306), (2923, 55330), (4070, 39737), (4345, 37222), (5030, 32153), (5533, 29230), (5846, 27665), (8690, 18611), (11066, 14615)]