1289523200

素因数分解:

$2^{12}\times 5^2\times 7^2\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 234

約数和(自身を含む): 3734162226

約数和(自身を除く): 2444639026

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 257, 280, 320, 350, 392, 400, 448, 490, 512, 514, 560, 640, 700, 784, 800, 896, 980, 1024, 1028, 1120, 1225, 1280, 1285, 1400, 1568, 1600, 1792, 1799, 1960, 2048, 2056, 2240, 2450, 2560, 2570, 2800, 3136, 3200, 3584, 3598, 3920, 4096, 4112, 4480, 4900, 5120, 5140, 5600, 6272, 6400, 6425, 7168, 7196, 7840, 8224, 8960, 8995, 9800, 10240, 10280, 11200, 12544, 12593, 12800, 12850, 14336, 14392, 15680, 16448, 17920, 17990, 19600, 20480, 20560, 22400, 25088, 25186, 25600, 25700, 28672, 28784, 31360, 32896, 35840, 35980, 39200, 41120, 44800, 44975, 50176, 50372, 51200, 51400, 57568, 62720, 62965, 65792, 71680, 71960, 78400, 82240, 89600, 89950, 100352, 100744, 102400, 102800, 115136, 125440, 125930, 131584, 143360, 143920, 156800, 164480, 179200, 179900, 200704, 201488, 205600, 230272, 250880, 251860, 263168, 287840, 313600, 314825, 328960, 358400, 359800, 402976, 411200, 460544, 501760, 503720, 526336, 575680, 627200, 629650, 657920, 716800, 719600, 805952, 822400, 921088, 1003520, 1007440, 1052672, 1151360, 1254400, 1259300, 1315840, 1439200, 1611904, 1644800, 1842176, 2014880, 2302720, 2508800, 2518600, 2631680, 2878400, 3223808, 3289600, 3684352, 4029760, 4605440, 5017600, 5037200, 5263360, 5756800, 6447616, 6579200, 7368704, 8059520, 9210880, 10074400, 11513600, 12895232, 13158400, 16119040, 18421760, 20148800, 23027200, 25790464, 26316800, 32238080, 36843520, 40297600, 46054400, 51580928, 64476160, 80595200, 92108800, 128952320, 161190400, 184217600, 257904640, 322380800, 644761600, 1289523200]

約数ペア:

[(1, 1289523200), (2, 644761600), (4, 322380800), (5, 257904640), (7, 184217600), (8, 161190400), (10, 128952320), (14, 92108800), (16, 80595200), (20, 64476160), (25, 51580928), (28, 46054400), (32, 40297600), (35, 36843520), (40, 32238080), (49, 26316800), (50, 25790464), (56, 23027200), (64, 20148800), (70, 18421760), (80, 16119040), (98, 13158400), (100, 12895232), (112, 11513600), (128, 10074400), (140, 9210880), (160, 8059520), (175, 7368704), (196, 6579200), (200, 6447616), (224, 5756800), (245, 5263360), (256, 5037200), (257, 5017600), (280, 4605440), (320, 4029760), (350, 3684352), (392, 3289600), (400, 3223808), (448, 2878400), (490, 2631680), (512, 2518600), (514, 2508800), (560, 2302720), (640, 2014880), (700, 1842176), (784, 1644800), (800, 1611904), (896, 1439200), (980, 1315840), (1024, 1259300), (1028, 1254400), (1120, 1151360), (1225, 1052672), (1280, 1007440), (1285, 1003520), (1400, 921088), (1568, 822400), (1600, 805952), (1792, 719600), (1799, 716800), (1960, 657920), (2048, 629650), (2056, 627200), (2240, 575680), (2450, 526336), (2560, 503720), (2570, 501760), (2800, 460544), (3136, 411200), (3200, 402976), (3584, 359800), (3598, 358400), (3920, 328960), (4096, 314825), (4112, 313600), (4480, 287840), (4900, 263168), (5120, 251860), (5140, 250880), (5600, 230272), (6272, 205600), (6400, 201488), (6425, 200704), (7168, 179900), (7196, 179200), (7840, 164480), (8224, 156800), (8960, 143920), (8995, 143360), (9800, 131584), (10240, 125930), (10280, 125440), (11200, 115136), (12544, 102800), (12593, 102400), (12800, 100744), (12850, 100352), (14336, 89950), (14392, 89600), (15680, 82240), (16448, 78400), (17920, 71960), (17990, 71680), (19600, 65792), (20480, 62965), (20560, 62720), (22400, 57568), (25088, 51400), (25186, 51200), (25600, 50372), (25700, 50176), (28672, 44975), (28784, 44800), (31360, 41120), (32896, 39200), (35840, 35980)]