61480720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1087}}^1$

素因数の和:1208

約数の個数: 80

約数和(自身を含む): 165132288

約数和(自身を除く): 103651568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1087, 1414, 1616, 2020, 2174, 2828, 3535, 4040, 4348, 5435, 5656, 7070, 7609, 8080, 8696, 10870, 11312, 14140, 15218, 17392, 21740, 28280, 30436, 38045, 43480, 56560, 60872, 76090, 86960, 109787, 121744, 152180, 219574, 304360, 439148, 548935, 608720, 768509, 878296, 1097870, 1537018, 1756592, 2195740, 3074036, 3842545, 4391480, 6148072, 7685090, 8782960, 12296144, 15370180, 30740360, 61480720]

約数ペア:

[(1, 61480720), (2, 30740360), (4, 15370180), (5, 12296144), (7, 8782960), (8, 7685090), (10, 6148072), (14, 4391480), (16, 3842545), (20, 3074036), (28, 2195740), (35, 1756592), (40, 1537018), (56, 1097870), (70, 878296), (80, 768509), (101, 608720), (112, 548935), (140, 439148), (202, 304360), (280, 219574), (404, 152180), (505, 121744), (560, 109787), (707, 86960), (808, 76090), (1010, 60872), (1087, 56560), (1414, 43480), (1616, 38045), (2020, 30436), (2174, 28280), (2828, 21740), (3535, 17392), (4040, 15218), (4348, 14140), (5435, 11312), (5656, 10870), (7070, 8696), (7609, 8080)]