39431520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 136216080

約数和(自身を除く): 96784560

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, 72, 80, 90, 96, 120, 139, 144, 160, 180, 197, 240, 278, 288, 360, 394, 417, 480, 556, 591, 695, 720, 788, 834, 985, 1112, 1182, 1251, 1390, 1440, 1576, 1668, 1773, 1970, 2085, 2224, 2364, 2502, 2780, 2955, 3152, 3336, 3546, 3940, 4170, 4448, 4728, 5004, 5560, 5910, 6255, 6304, 6672, 7092, 7880, 8340, 8865, 9456, 10008, 11120, 11820, 12510, 13344, 14184, 15760, 16680, 17730, 18912, 20016, 22240, 23640, 25020, 27383, 28368, 31520, 33360, 35460, 40032, 47280, 50040, 54766, 56736, 66720, 70920, 82149, 94560, 100080, 109532, 136915, 141840, 164298, 200160, 219064, 246447, 273830, 283680, 328596, 410745, 438128, 492894, 547660, 657192, 821490, 876256, 985788, 1095320, 1232235, 1314384, 1642980, 1971576, 2190640, 2464470, 2628768, 3285960, 3943152, 4381280, 4928940, 6571920, 7886304, 9857880, 13143840, 19715760, 39431520]

約数ペア:

[(1, 39431520), (2, 19715760), (3, 13143840), (4, 9857880), (5, 7886304), (6, 6571920), (8, 4928940), (9, 4381280), (10, 3943152), (12, 3285960), (15, 2628768), (16, 2464470), (18, 2190640), (20, 1971576), (24, 1642980), (30, 1314384), (32, 1232235), (36, 1095320), (40, 985788), (45, 876256), (48, 821490), (60, 657192), (72, 547660), (80, 492894), (90, 438128), (96, 410745), (120, 328596), (139, 283680), (144, 273830), (160, 246447), (180, 219064), (197, 200160), (240, 164298), (278, 141840), (288, 136915), (360, 109532), (394, 100080), (417, 94560), (480, 82149), (556, 70920), (591, 66720), (695, 56736), (720, 54766), (788, 50040), (834, 47280), (985, 40032), (1112, 35460), (1182, 33360), (1251, 31520), (1390, 28368), (1440, 27383), (1576, 25020), (1668, 23640), (1773, 22240), (1970, 20016), (2085, 18912), (2224, 17730), (2364, 16680), (2502, 15760), (2780, 14184), (2955, 13344), (3152, 12510), (3336, 11820), (3546, 11120), (3940, 10008), (4170, 9456), (4448, 8865), (4728, 8340), (5004, 7880), (5560, 7092), (5910, 6672), (6255, 6304)]