67872280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1087}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 175472640

約数和(自身を除く): 107600360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1087, 1115, 1561, 1784, 2174, 2230, 3122, 4348, 4460, 5435, 6244, 7609, 7805, 8696, 8920, 10870, 12488, 15218, 15610, 21740, 30436, 31220, 38045, 43480, 60872, 62440, 76090, 152180, 242401, 304360, 484802, 969604, 1212005, 1696807, 1939208, 2424010, 3393614, 4848020, 6787228, 8484035, 9696040, 13574456, 16968070, 33936140, 67872280]

約数ペア:

[(1, 67872280), (2, 33936140), (4, 16968070), (5, 13574456), (7, 9696040), (8, 8484035), (10, 6787228), (14, 4848020), (20, 3393614), (28, 2424010), (35, 1939208), (40, 1696807), (56, 1212005), (70, 969604), (140, 484802), (223, 304360), (280, 242401), (446, 152180), (892, 76090), (1087, 62440), (1115, 60872), (1561, 43480), (1784, 38045), (2174, 31220), (2230, 30436), (3122, 21740), (4348, 15610), (4460, 15218), (5435, 12488), (6244, 10870), (7609, 8920), (7805, 8696)]