28043520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 91734720

約数和(自身を除く): 63691200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 109, 120, 128, 134, 160, 192, 201, 218, 240, 256, 268, 320, 327, 335, 384, 402, 436, 480, 536, 545, 640, 654, 670, 768, 804, 872, 960, 1005, 1072, 1090, 1280, 1308, 1340, 1608, 1635, 1744, 1920, 2010, 2144, 2180, 2616, 2680, 3216, 3270, 3488, 3840, 4020, 4288, 4360, 5232, 5360, 6432, 6540, 6976, 7303, 8040, 8576, 8720, 10464, 10720, 12864, 13080, 13952, 14606, 16080, 17152, 17440, 20928, 21440, 21909, 25728, 26160, 27904, 29212, 32160, 34880, 36515, 41856, 42880, 43818, 51456, 52320, 58424, 64320, 69760, 73030, 83712, 85760, 87636, 104640, 109545, 116848, 128640, 139520, 146060, 175272, 209280, 219090, 233696, 257280, 292120, 350544, 418560, 438180, 467392, 584240, 701088, 876360, 934784, 1168480, 1402176, 1752720, 1869568, 2336960, 2804352, 3505440, 4673920, 5608704, 7010880, 9347840, 14021760, 28043520]

約数ペア:

[(1, 28043520), (2, 14021760), (3, 9347840), (4, 7010880), (5, 5608704), (6, 4673920), (8, 3505440), (10, 2804352), (12, 2336960), (15, 1869568), (16, 1752720), (20, 1402176), (24, 1168480), (30, 934784), (32, 876360), (40, 701088), (48, 584240), (60, 467392), (64, 438180), (67, 418560), (80, 350544), (96, 292120), (109, 257280), (120, 233696), (128, 219090), (134, 209280), (160, 175272), (192, 146060), (201, 139520), (218, 128640), (240, 116848), (256, 109545), (268, 104640), (320, 87636), (327, 85760), (335, 83712), (384, 73030), (402, 69760), (436, 64320), (480, 58424), (536, 52320), (545, 51456), (640, 43818), (654, 42880), (670, 41856), (768, 36515), (804, 34880), (872, 32160), (960, 29212), (1005, 27904), (1072, 26160), (1090, 25728), (1280, 21909), (1308, 21440), (1340, 20928), (1608, 17440), (1635, 17152), (1744, 16080), (1920, 14606), (2010, 13952), (2144, 13080), (2180, 12864), (2616, 10720), (2680, 10464), (3216, 8720), (3270, 8576), (3488, 8040), (3840, 7303), (4020, 6976), (4288, 6540), (4360, 6432), (5232, 5360)]