861581440

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28643}}^1$

素因数の和:28709

約数の個数: 64

約数和(自身を含む): 2103615360

約数和(自身を除く): 1242033920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 3008, 3760, 6016, 7520, 15040, 28643, 30080, 57286, 114572, 143215, 229144, 286430, 458288, 572860, 916576, 1145720, 1346221, 1833152, 2291440, 2692442, 3666304, 4582880, 5384884, 6731105, 9165760, 10769768, 13462210, 18331520, 21539536, 26924420, 43079072, 53848840, 86158144, 107697680, 172316288, 215395360, 430790720, 861581440]

約数ペア:

[(1, 861581440), (2, 430790720), (4, 215395360), (5, 172316288), (8, 107697680), (10, 86158144), (16, 53848840), (20, 43079072), (32, 26924420), (40, 21539536), (47, 18331520), (64, 13462210), (80, 10769768), (94, 9165760), (128, 6731105), (160, 5384884), (188, 4582880), (235, 3666304), (320, 2692442), (376, 2291440), (470, 1833152), (640, 1346221), (752, 1145720), (940, 916576), (1504, 572860), (1880, 458288), (3008, 286430), (3760, 229144), (6016, 143215), (7520, 114572), (15040, 57286), (28643, 30080)]