215821760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:515

約数の個数: 224

約数和(自身を含む): 675924480

約数和(自身を除く): 460102720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 266, 280, 304, 308, 320, 352, 380, 385, 418, 440, 448, 461, 532, 560, 608, 616, 665, 704, 760, 770, 836, 880, 922, 1045, 1064, 1120, 1216, 1232, 1330, 1463, 1520, 1540, 1672, 1760, 1844, 2090, 2128, 2240, 2305, 2464, 2660, 2926, 3040, 3080, 3227, 3344, 3520, 3688, 4180, 4256, 4610, 4928, 5071, 5320, 5852, 6080, 6160, 6454, 6688, 7315, 7376, 8360, 8512, 8759, 9220, 10142, 10640, 11704, 12320, 12908, 13376, 14630, 14752, 16135, 16720, 17518, 18440, 20284, 21280, 23408, 24640, 25355, 25816, 29260, 29504, 32270, 33440, 35036, 35497, 36880, 40568, 42560, 43795, 46816, 50710, 51632, 58520, 61313, 64540, 66880, 70072, 70994, 73760, 81136, 87590, 93632, 96349, 101420, 103264, 117040, 122626, 129080, 140144, 141988, 147520, 162272, 175180, 177485, 192698, 202840, 206528, 234080, 245252, 258160, 280288, 283976, 306565, 324544, 350360, 354970, 385396, 405680, 468160, 481745, 490504, 516320, 560576, 567952, 613130, 674443, 700720, 709940, 770792, 811360, 963490, 981008, 1032640, 1135904, 1226260, 1348886, 1401440, 1419880, 1541584, 1622720, 1926980, 1962016, 2271808, 2452520, 2697772, 2802880, 2839760, 3083168, 3372215, 3853960, 3924032, 4905040, 5395544, 5679520, 6166336, 6744430, 7707920, 9810080, 10791088, 11359040, 13488860, 15415840, 19620160, 21582176, 26977720, 30831680, 43164352, 53955440, 107910880, 215821760]

約数ペア:

[(1, 215821760), (2, 107910880), (4, 53955440), (5, 43164352), (7, 30831680), (8, 26977720), (10, 21582176), (11, 19620160), (14, 15415840), (16, 13488860), (19, 11359040), (20, 10791088), (22, 9810080), (28, 7707920), (32, 6744430), (35, 6166336), (38, 5679520), (40, 5395544), (44, 4905040), (55, 3924032), (56, 3853960), (64, 3372215), (70, 3083168), (76, 2839760), (77, 2802880), (80, 2697772), (88, 2452520), (95, 2271808), (110, 1962016), (112, 1926980), (133, 1622720), (140, 1541584), (152, 1419880), (154, 1401440), (160, 1348886), (176, 1226260), (190, 1135904), (209, 1032640), (220, 981008), (224, 963490), (266, 811360), (280, 770792), (304, 709940), (308, 700720), (320, 674443), (352, 613130), (380, 567952), (385, 560576), (418, 516320), (440, 490504), (448, 481745), (461, 468160), (532, 405680), (560, 385396), (608, 354970), (616, 350360), (665, 324544), (704, 306565), (760, 283976), (770, 280288), (836, 258160), (880, 245252), (922, 234080), (1045, 206528), (1064, 202840), (1120, 192698), (1216, 177485), (1232, 175180), (1330, 162272), (1463, 147520), (1520, 141988), (1540, 140144), (1672, 129080), (1760, 122626), (1844, 117040), (2090, 103264), (2128, 101420), (2240, 96349), (2305, 93632), (2464, 87590), (2660, 81136), (2926, 73760), (3040, 70994), (3080, 70072), (3227, 66880), (3344, 64540), (3520, 61313), (3688, 58520), (4180, 51632), (4256, 50710), (4610, 46816), (4928, 43795), (5071, 42560), (5320, 40568), (5852, 36880), (6080, 35497), (6160, 35036), (6454, 33440), (6688, 32270), (7315, 29504), (7376, 29260), (8360, 25816), (8512, 25355), (8759, 24640), (9220, 23408), (10142, 21280), (10640, 20284), (11704, 18440), (12320, 17518), (12908, 16720), (13376, 16135), (14630, 14752)]