28706880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1796

約数の個数: 112

約数和(自身を含む): 96560640

約数和(自身を除く): 67853760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 1759, 2040, 2720, 3264, 3518, 4080, 5277, 5440, 7036, 8160, 8795, 10554, 14072, 16320, 17590, 21108, 26385, 28144, 29903, 35180, 42216, 52770, 56288, 59806, 70360, 84432, 89709, 105540, 112576, 119612, 140720, 149515, 168864, 179418, 211080, 239224, 281440, 299030, 337728, 358836, 422160, 448545, 478448, 562880, 598060, 717672, 844320, 897090, 956896, 1196120, 1435344, 1688640, 1794180, 1913792, 2392240, 2870688, 3588360, 4784480, 5741376, 7176720, 9568960, 14353440, 28706880]

約数ペア:

[(1, 28706880), (2, 14353440), (3, 9568960), (4, 7176720), (5, 5741376), (6, 4784480), (8, 3588360), (10, 2870688), (12, 2392240), (15, 1913792), (16, 1794180), (17, 1688640), (20, 1435344), (24, 1196120), (30, 956896), (32, 897090), (34, 844320), (40, 717672), (48, 598060), (51, 562880), (60, 478448), (64, 448545), (68, 422160), (80, 358836), (85, 337728), (96, 299030), (102, 281440), (120, 239224), (136, 211080), (160, 179418), (170, 168864), (192, 149515), (204, 140720), (240, 119612), (255, 112576), (272, 105540), (320, 89709), (340, 84432), (408, 70360), (480, 59806), (510, 56288), (544, 52770), (680, 42216), (816, 35180), (960, 29903), (1020, 28144), (1088, 26385), (1360, 21108), (1632, 17590), (1759, 16320), (2040, 14072), (2720, 10554), (3264, 8795), (3518, 8160), (4080, 7036), (5277, 5440)]