20996254080

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3833}}^1$

素因数の和:4178

約数の個数: 256

約数和(自身を含む): 74615774400

約数和(自身を除く): 53619520320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 317, 320, 360, 384, 432, 480, 540, 576, 634, 640, 720, 864, 951, 960, 1080, 1152, 1268, 1440, 1585, 1728, 1902, 1920, 2160, 2536, 2853, 2880, 3170, 3456, 3804, 3833, 4320, 4755, 5072, 5706, 5760, 6340, 7608, 7666, 8559, 8640, 9510, 10144, 11412, 11499, 12680, 14265, 15216, 15332, 17118, 17280, 19020, 19165, 20288, 22824, 22998, 25360, 28530, 30432, 30664, 34236, 34497, 38040, 38330, 40576, 42795, 45648, 45996, 50720, 57060, 57495, 60864, 61328, 68472, 68994, 76080, 76660, 85590, 91296, 91992, 101440, 103491, 114120, 114990, 121728, 122656, 136944, 137988, 152160, 153320, 171180, 172485, 182592, 183984, 202880, 206982, 228240, 229980, 245312, 273888, 275976, 304320, 306640, 342360, 344970, 365184, 367968, 413964, 456480, 459960, 490624, 517455, 547776, 551952, 608640, 613280, 684720, 689940, 735936, 827928, 912960, 919920, 1034910, 1095552, 1103904, 1215061, 1226560, 1369440, 1379880, 1471872, 1655856, 1825920, 1839840, 2069820, 2207808, 2430122, 2453120, 2738880, 2759760, 3311712, 3645183, 3679680, 4139640, 4415616, 4860244, 5477760, 5519520, 6075305, 6623424, 7290366, 7359360, 8279280, 9720488, 10935549, 11039040, 12150610, 13246848, 14580732, 16558560, 18225915, 19440976, 21871098, 22078080, 24301220, 29161464, 32806647, 33117120, 36451830, 38881952, 43742196, 48602440, 54677745, 58322928, 65613294, 66234240, 72903660, 77763904, 87484392, 97204880, 109355490, 116645856, 131226588, 145807320, 155527808, 164033235, 174968784, 194409760, 218710980, 233291712, 262453176, 291614640, 328066470, 349937568, 388819520, 437421960, 466583424, 524906352, 583229280, 656132940, 699875136, 777639040, 874843920, 1049812704, 1166458560, 1312265880, 1399750272, 1749687840, 2099625408, 2332917120, 2624531760, 3499375680, 4199250816, 5249063520, 6998751360, 10498127040, 20996254080]

約数ペア:

[(1, 20996254080), (2, 10498127040), (3, 6998751360), (4, 5249063520), (5, 4199250816), (6, 3499375680), (8, 2624531760), (9, 2332917120), (10, 2099625408), (12, 1749687840), (15, 1399750272), (16, 1312265880), (18, 1166458560), (20, 1049812704), (24, 874843920), (27, 777639040), (30, 699875136), (32, 656132940), (36, 583229280), (40, 524906352), (45, 466583424), (48, 437421960), (54, 388819520), (60, 349937568), (64, 328066470), (72, 291614640), (80, 262453176), (90, 233291712), (96, 218710980), (108, 194409760), (120, 174968784), (128, 164033235), (135, 155527808), (144, 145807320), (160, 131226588), (180, 116645856), (192, 109355490), (216, 97204880), (240, 87484392), (270, 77763904), (288, 72903660), (317, 66234240), (320, 65613294), (360, 58322928), (384, 54677745), (432, 48602440), (480, 43742196), (540, 38881952), (576, 36451830), (634, 33117120), (640, 32806647), (720, 29161464), (864, 24301220), (951, 22078080), (960, 21871098), (1080, 19440976), (1152, 18225915), (1268, 16558560), (1440, 14580732), (1585, 13246848), (1728, 12150610), (1902, 11039040), (1920, 10935549), (2160, 9720488), (2536, 8279280), (2853, 7359360), (2880, 7290366), (3170, 6623424), (3456, 6075305), (3804, 5519520), (3833, 5477760), (4320, 4860244), (4755, 4415616), (5072, 4139640), (5706, 3679680), (5760, 3645183), (6340, 3311712), (7608, 2759760), (7666, 2738880), (8559, 2453120), (8640, 2430122), (9510, 2207808), (10144, 2069820), (11412, 1839840), (11499, 1825920), (12680, 1655856), (14265, 1471872), (15216, 1379880), (15332, 1369440), (17118, 1226560), (17280, 1215061), (19020, 1103904), (19165, 1095552), (20288, 1034910), (22824, 919920), (22998, 912960), (25360, 827928), (28530, 735936), (30432, 689940), (30664, 684720), (34236, 613280), (34497, 608640), (38040, 551952), (38330, 547776), (40576, 517455), (42795, 490624), (45648, 459960), (45996, 456480), (50720, 413964), (57060, 367968), (57495, 365184), (60864, 344970), (61328, 342360), (68472, 306640), (68994, 304320), (76080, 275976), (76660, 273888), (85590, 245312), (91296, 229980), (91992, 228240), (101440, 206982), (103491, 202880), (114120, 183984), (114990, 182592), (121728, 172485), (122656, 171180), (136944, 153320), (137988, 152160)]