452122880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 1194709824

約数和(自身を除く): 742586944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 163, 176, 197, 220, 256, 320, 326, 352, 394, 440, 640, 652, 704, 788, 815, 880, 985, 1280, 1304, 1408, 1576, 1630, 1760, 1793, 1970, 2167, 2608, 2816, 3152, 3260, 3520, 3586, 3940, 4334, 5216, 6304, 6520, 7040, 7172, 7880, 8668, 8965, 10432, 10835, 12608, 13040, 14080, 14344, 15760, 17336, 17930, 20864, 21670, 25216, 26080, 28688, 31520, 32111, 34672, 35860, 41728, 43340, 50432, 52160, 57376, 63040, 64222, 69344, 71720, 86680, 104320, 114752, 126080, 128444, 138688, 143440, 160555, 173360, 208640, 229504, 252160, 256888, 277376, 286880, 321110, 346720, 353221, 459008, 513776, 554752, 573760, 642220, 693440, 706442, 1027552, 1147520, 1284440, 1386880, 1412884, 1766105, 2055104, 2295040, 2568880, 2773760, 2825768, 3532210, 4110208, 5137760, 5651536, 7064420, 8220416, 10275520, 11303072, 14128840, 20551040, 22606144, 28257680, 41102080, 45212288, 56515360, 90424576, 113030720, 226061440, 452122880]

約数ペア:

[(1, 452122880), (2, 226061440), (4, 113030720), (5, 90424576), (8, 56515360), (10, 45212288), (11, 41102080), (16, 28257680), (20, 22606144), (22, 20551040), (32, 14128840), (40, 11303072), (44, 10275520), (55, 8220416), (64, 7064420), (80, 5651536), (88, 5137760), (110, 4110208), (128, 3532210), (160, 2825768), (163, 2773760), (176, 2568880), (197, 2295040), (220, 2055104), (256, 1766105), (320, 1412884), (326, 1386880), (352, 1284440), (394, 1147520), (440, 1027552), (640, 706442), (652, 693440), (704, 642220), (788, 573760), (815, 554752), (880, 513776), (985, 459008), (1280, 353221), (1304, 346720), (1408, 321110), (1576, 286880), (1630, 277376), (1760, 256888), (1793, 252160), (1970, 229504), (2167, 208640), (2608, 173360), (2816, 160555), (3152, 143440), (3260, 138688), (3520, 128444), (3586, 126080), (3940, 114752), (4334, 104320), (5216, 86680), (6304, 71720), (6520, 69344), (7040, 64222), (7172, 63040), (7880, 57376), (8668, 52160), (8965, 50432), (10432, 43340), (10835, 41728), (12608, 35860), (13040, 34672), (14080, 32111), (14344, 31520), (15760, 28688), (17336, 26080), (17930, 25216), (20864, 21670)]