80892280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1151}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 209018880

約数和(自身を除く): 128126600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 1004, 1151, 1255, 1757, 2008, 2302, 2510, 3514, 4604, 5020, 5755, 7028, 8057, 8785, 9208, 10040, 11510, 14056, 16114, 17570, 23020, 32228, 35140, 40285, 46040, 64456, 70280, 80570, 161140, 288901, 322280, 577802, 1155604, 1444505, 2022307, 2311208, 2889010, 4044614, 5778020, 8089228, 10111535, 11556040, 16178456, 20223070, 40446140, 80892280]

約数ペア:

[(1, 80892280), (2, 40446140), (4, 20223070), (5, 16178456), (7, 11556040), (8, 10111535), (10, 8089228), (14, 5778020), (20, 4044614), (28, 2889010), (35, 2311208), (40, 2022307), (56, 1444505), (70, 1155604), (140, 577802), (251, 322280), (280, 288901), (502, 161140), (1004, 80570), (1151, 70280), (1255, 64456), (1757, 46040), (2008, 40285), (2302, 35140), (2510, 32228), (3514, 23020), (4604, 17570), (5020, 16114), (5755, 14056), (7028, 11510), (8057, 10040), (8785, 9208)]