20617367040

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4241}}^1$

素因数の和:4481

約数の個数: 240

約数和(自身を含む): 71759063376

約数和(自身を除く): 51141696336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 211, 240, 256, 288, 320, 360, 384, 422, 480, 512, 576, 633, 640, 720, 768, 844, 960, 1055, 1152, 1266, 1280, 1440, 1536, 1688, 1899, 1920, 2110, 2304, 2532, 2560, 2880, 3165, 3376, 3798, 3840, 4220, 4241, 4608, 5064, 5760, 6330, 6752, 7596, 7680, 8440, 8482, 9495, 10128, 11520, 12660, 12723, 13504, 15192, 16880, 16964, 18990, 20256, 21205, 23040, 25320, 25446, 27008, 30384, 33760, 33928, 37980, 38169, 40512, 42410, 50640, 50892, 54016, 60768, 63615, 67520, 67856, 75960, 76338, 81024, 84820, 101280, 101784, 108032, 121536, 127230, 135040, 135712, 151920, 152676, 162048, 169640, 190845, 202560, 203568, 243072, 254460, 270080, 271424, 303840, 305352, 324096, 339280, 381690, 405120, 407136, 486144, 508920, 540160, 542848, 607680, 610704, 678560, 763380, 810240, 814272, 894851, 972288, 1017840, 1085696, 1215360, 1221408, 1357120, 1526760, 1620480, 1628544, 1789702, 2035680, 2171392, 2430720, 2442816, 2684553, 2714240, 3053520, 3257088, 3579404, 4071360, 4474255, 4861440, 4885632, 5369106, 5428480, 6107040, 6514176, 7158808, 8053659, 8142720, 8948510, 9771264, 10738212, 10856960, 12214080, 13422765, 14317616, 16107318, 16285440, 17897020, 19542528, 21476424, 24428160, 26845530, 28635232, 32214636, 32570880, 35794040, 40268295, 42952848, 48856320, 53691060, 57270464, 64429272, 71588080, 80536590, 85905696, 97712640, 107382120, 114540928, 128858544, 143176160, 161073180, 171811392, 214764240, 229081856, 257717088, 286352320, 322146360, 343622784, 429528480, 458163712, 515434176, 572704640, 644292720, 687245568, 859056960, 1030868352, 1145409280, 1288585440, 1374491136, 1718113920, 2061736704, 2290818560, 2577170880, 3436227840, 4123473408, 5154341760, 6872455680, 10308683520, 20617367040]

約数ペア:

[(1, 20617367040), (2, 10308683520), (3, 6872455680), (4, 5154341760), (5, 4123473408), (6, 3436227840), (8, 2577170880), (9, 2290818560), (10, 2061736704), (12, 1718113920), (15, 1374491136), (16, 1288585440), (18, 1145409280), (20, 1030868352), (24, 859056960), (30, 687245568), (32, 644292720), (36, 572704640), (40, 515434176), (45, 458163712), (48, 429528480), (60, 343622784), (64, 322146360), (72, 286352320), (80, 257717088), (90, 229081856), (96, 214764240), (120, 171811392), (128, 161073180), (144, 143176160), (160, 128858544), (180, 114540928), (192, 107382120), (211, 97712640), (240, 85905696), (256, 80536590), (288, 71588080), (320, 64429272), (360, 57270464), (384, 53691060), (422, 48856320), (480, 42952848), (512, 40268295), (576, 35794040), (633, 32570880), (640, 32214636), (720, 28635232), (768, 26845530), (844, 24428160), (960, 21476424), (1055, 19542528), (1152, 17897020), (1266, 16285440), (1280, 16107318), (1440, 14317616), (1536, 13422765), (1688, 12214080), (1899, 10856960), (1920, 10738212), (2110, 9771264), (2304, 8948510), (2532, 8142720), (2560, 8053659), (2880, 7158808), (3165, 6514176), (3376, 6107040), (3798, 5428480), (3840, 5369106), (4220, 4885632), (4241, 4861440), (4608, 4474255), (5064, 4071360), (5760, 3579404), (6330, 3257088), (6752, 3053520), (7596, 2714240), (7680, 2684553), (8440, 2442816), (8482, 2430720), (9495, 2171392), (10128, 2035680), (11520, 1789702), (12660, 1628544), (12723, 1620480), (13504, 1526760), (15192, 1357120), (16880, 1221408), (16964, 1215360), (18990, 1085696), (20256, 1017840), (21205, 972288), (23040, 894851), (25320, 814272), (25446, 810240), (27008, 763380), (30384, 678560), (33760, 610704), (33928, 607680), (37980, 542848), (38169, 540160), (40512, 508920), (42410, 486144), (50640, 407136), (50892, 405120), (54016, 381690), (60768, 339280), (63615, 324096), (67520, 305352), (67856, 303840), (75960, 271424), (76338, 270080), (81024, 254460), (84820, 243072), (101280, 203568), (101784, 202560), (108032, 190845), (121536, 169640), (127230, 162048), (135040, 152676), (135712, 151920)]