203982720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:964

約数の個数: 128

約数和(自身を含む): 655966080

約数和(自身を除く): 451983360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 262, 320, 384, 393, 480, 524, 640, 655, 786, 811, 960, 1048, 1310, 1572, 1622, 1920, 1965, 2096, 2433, 2620, 3144, 3244, 3930, 4055, 4192, 4866, 5240, 6288, 6488, 7860, 8110, 8384, 9732, 10480, 12165, 12576, 12976, 15720, 16220, 16768, 19464, 20960, 24330, 25152, 25952, 31440, 32440, 38928, 41920, 48660, 50304, 51904, 62880, 64880, 77856, 83840, 97320, 103808, 106241, 125760, 129760, 155712, 194640, 212482, 251520, 259520, 311424, 318723, 389280, 424964, 519040, 531205, 637446, 778560, 849928, 1062410, 1274892, 1557120, 1593615, 1699856, 2124820, 2549784, 3187230, 3399712, 4249640, 5099568, 6374460, 6799424, 8499280, 10199136, 12748920, 13598848, 16998560, 20398272, 25497840, 33997120, 40796544, 50995680, 67994240, 101991360, 203982720]

約数ペア:

[(1, 203982720), (2, 101991360), (3, 67994240), (4, 50995680), (5, 40796544), (6, 33997120), (8, 25497840), (10, 20398272), (12, 16998560), (15, 13598848), (16, 12748920), (20, 10199136), (24, 8499280), (30, 6799424), (32, 6374460), (40, 5099568), (48, 4249640), (60, 3399712), (64, 3187230), (80, 2549784), (96, 2124820), (120, 1699856), (128, 1593615), (131, 1557120), (160, 1274892), (192, 1062410), (240, 849928), (262, 778560), (320, 637446), (384, 531205), (393, 519040), (480, 424964), (524, 389280), (640, 318723), (655, 311424), (786, 259520), (811, 251520), (960, 212482), (1048, 194640), (1310, 155712), (1572, 129760), (1622, 125760), (1920, 106241), (1965, 103808), (2096, 97320), (2433, 83840), (2620, 77856), (3144, 64880), (3244, 62880), (3930, 51904), (4055, 50304), (4192, 48660), (4866, 41920), (5240, 38928), (6288, 32440), (6488, 31440), (7860, 25952), (8110, 25152), (8384, 24330), (9732, 20960), (10480, 19464), (12165, 16768), (12576, 16220), (12976, 15720)]