28252560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 101993472

約数和(自身を除く): 73740912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 67, 70, 80, 84, 105, 112, 120, 134, 140, 168, 201, 210, 240, 251, 268, 280, 335, 336, 402, 420, 469, 502, 536, 560, 670, 753, 804, 840, 938, 1004, 1005, 1072, 1255, 1340, 1407, 1506, 1608, 1680, 1757, 1876, 2008, 2010, 2345, 2510, 2680, 2814, 3012, 3216, 3514, 3752, 3765, 4016, 4020, 4690, 5020, 5271, 5360, 5628, 6024, 7028, 7035, 7504, 7530, 8040, 8785, 9380, 10040, 10542, 11256, 12048, 14056, 14070, 15060, 16080, 16817, 17570, 18760, 20080, 21084, 22512, 26355, 28112, 28140, 30120, 33634, 35140, 37520, 42168, 50451, 52710, 56280, 60240, 67268, 70280, 84085, 84336, 100902, 105420, 112560, 117719, 134536, 140560, 168170, 201804, 210840, 235438, 252255, 269072, 336340, 353157, 403608, 421680, 470876, 504510, 588595, 672680, 706314, 807216, 941752, 1009020, 1177190, 1345360, 1412628, 1765785, 1883504, 2018040, 2354380, 2825256, 3531570, 4036080, 4708760, 5650512, 7063140, 9417520, 14126280, 28252560]

約数ペア:

[(1, 28252560), (2, 14126280), (3, 9417520), (4, 7063140), (5, 5650512), (6, 4708760), (7, 4036080), (8, 3531570), (10, 2825256), (12, 2354380), (14, 2018040), (15, 1883504), (16, 1765785), (20, 1412628), (21, 1345360), (24, 1177190), (28, 1009020), (30, 941752), (35, 807216), (40, 706314), (42, 672680), (48, 588595), (56, 504510), (60, 470876), (67, 421680), (70, 403608), (80, 353157), (84, 336340), (105, 269072), (112, 252255), (120, 235438), (134, 210840), (140, 201804), (168, 168170), (201, 140560), (210, 134536), (240, 117719), (251, 112560), (268, 105420), (280, 100902), (335, 84336), (336, 84085), (402, 70280), (420, 67268), (469, 60240), (502, 56280), (536, 52710), (560, 50451), (670, 42168), (753, 37520), (804, 35140), (840, 33634), (938, 30120), (1004, 28140), (1005, 28112), (1072, 26355), (1255, 22512), (1340, 21084), (1407, 20080), (1506, 18760), (1608, 17570), (1680, 16817), (1757, 16080), (1876, 15060), (2008, 14070), (2010, 14056), (2345, 12048), (2510, 11256), (2680, 10542), (2814, 10040), (3012, 9380), (3216, 8785), (3514, 8040), (3752, 7530), (3765, 7504), (4016, 7035), (4020, 7028), (4690, 6024), (5020, 5628), (5271, 5360)]