28615383040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{61}}^2\times {\mathrm{751}}^1$

素因数の和:900

約数の個数: 144

約数和(自身を含む): 69897129120

約数和(自身を除く): 41281746080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 751, 976, 1024, 1220, 1280, 1502, 1952, 2048, 2440, 2560, 3004, 3721, 3755, 3904, 4880, 5120, 6008, 7442, 7510, 7808, 9760, 10240, 12016, 14884, 15020, 15616, 18605, 19520, 24032, 29768, 30040, 31232, 37210, 39040, 45811, 48064, 59536, 60080, 62464, 74420, 78080, 91622, 96128, 119072, 120160, 124928, 148840, 156160, 183244, 192256, 229055, 238144, 240320, 297680, 312320, 366488, 384512, 458110, 476288, 480640, 595360, 624640, 732976, 769024, 916220, 952576, 961280, 1190720, 1465952, 1538048, 1832440, 1905152, 1922560, 2381440, 2794471, 2931904, 3664880, 3810304, 3845120, 4762880, 5588942, 5863808, 7329760, 7620608, 7690240, 9525760, 11177884, 11727616, 13972355, 14659520, 19051520, 22355768, 23455232, 27944710, 29319040, 38103040, 44711536, 46910464, 55889420, 58638080, 89423072, 93820928, 111778840, 117276160, 178846144, 223557680, 234552320, 357692288, 447115360, 469104640, 715384576, 894230720, 1430769152, 1788461440, 2861538304, 3576922880, 5723076608, 7153845760, 14307691520, 28615383040]

約数ペア:

[(1, 28615383040), (2, 14307691520), (4, 7153845760), (5, 5723076608), (8, 3576922880), (10, 2861538304), (16, 1788461440), (20, 1430769152), (32, 894230720), (40, 715384576), (61, 469104640), (64, 447115360), (80, 357692288), (122, 234552320), (128, 223557680), (160, 178846144), (244, 117276160), (256, 111778840), (305, 93820928), (320, 89423072), (488, 58638080), (512, 55889420), (610, 46910464), (640, 44711536), (751, 38103040), (976, 29319040), (1024, 27944710), (1220, 23455232), (1280, 22355768), (1502, 19051520), (1952, 14659520), (2048, 13972355), (2440, 11727616), (2560, 11177884), (3004, 9525760), (3721, 7690240), (3755, 7620608), (3904, 7329760), (4880, 5863808), (5120, 5588942), (6008, 4762880), (7442, 3845120), (7510, 3810304), (7808, 3664880), (9760, 2931904), (10240, 2794471), (12016, 2381440), (14884, 1922560), (15020, 1905152), (15616, 1832440), (18605, 1538048), (19520, 1465952), (24032, 1190720), (29768, 961280), (30040, 952576), (31232, 916220), (37210, 769024), (39040, 732976), (45811, 624640), (48064, 595360), (59536, 480640), (60080, 476288), (62464, 458110), (74420, 384512), (78080, 366488), (91622, 312320), (96128, 297680), (119072, 240320), (120160, 238144), (124928, 229055), (148840, 192256), (156160, 183244)]