287857920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{10709}}^1$

素因数の和:10740

約数の個数: 144

約数和(自身を含む): 1050779520

約数和(自身を除く): 762921600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 10709, 13440, 21418, 26880, 32127, 42836, 53545, 64254, 74963, 85672, 107090, 128508, 149926, 160635, 171344, 214180, 224889, 257016, 299852, 321270, 342688, 374815, 428360, 449778, 514032, 599704, 642540, 685376, 749630, 856720, 899556, 1028064, 1124445, 1199408, 1285080, 1370752, 1499260, 1713440, 1799112, 2056128, 2248890, 2398816, 2570160, 2741504, 2998520, 3426880, 3598224, 4112256, 4497780, 4797632, 5140320, 5997040, 6853760, 7196448, 8224512, 8995560, 9595264, 10280640, 11994080, 13707520, 14392896, 17991120, 19190528, 20561280, 23988160, 28785792, 35982240, 41122560, 47976320, 57571584, 71964480, 95952640, 143928960, 287857920]

約数ペア:

[(1, 287857920), (2, 143928960), (3, 95952640), (4, 71964480), (5, 57571584), (6, 47976320), (7, 41122560), (8, 35982240), (10, 28785792), (12, 23988160), (14, 20561280), (15, 19190528), (16, 17991120), (20, 14392896), (21, 13707520), (24, 11994080), (28, 10280640), (30, 9595264), (32, 8995560), (35, 8224512), (40, 7196448), (42, 6853760), (48, 5997040), (56, 5140320), (60, 4797632), (64, 4497780), (70, 4112256), (80, 3598224), (84, 3426880), (96, 2998520), (105, 2741504), (112, 2570160), (120, 2398816), (128, 2248890), (140, 2056128), (160, 1799112), (168, 1713440), (192, 1499260), (210, 1370752), (224, 1285080), (240, 1199408), (256, 1124445), (280, 1028064), (320, 899556), (336, 856720), (384, 749630), (420, 685376), (448, 642540), (480, 599704), (560, 514032), (640, 449778), (672, 428360), (768, 374815), (840, 342688), (896, 321270), (960, 299852), (1120, 257016), (1280, 224889), (1344, 214180), (1680, 171344), (1792, 160635), (1920, 149926), (2240, 128508), (2688, 107090), (3360, 85672), (3840, 74963), (4480, 64254), (5376, 53545), (6720, 42836), (8960, 32127), (10709, 26880), (13440, 21418)]