215129600

素因数分解:

$2^9\times 5^2\times 7^5$

素因数の和:63

約数の個数: 180

約数和(自身を含む): 621828504

約数和(自身を除く): 406698904

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, 280, 320, 343, 350, 392, 400, 448, 490, 512, 560, 640, 686, 700, 784, 800, 896, 980, 1120, 1225, 1280, 1372, 1400, 1568, 1600, 1715, 1792, 1960, 2240, 2401, 2450, 2560, 2744, 2800, 3136, 3200, 3430, 3584, 3920, 4480, 4802, 4900, 5488, 5600, 6272, 6400, 6860, 7840, 8575, 8960, 9604, 9800, 10976, 11200, 12005, 12544, 12800, 13720, 15680, 16807, 17150, 17920, 19208, 19600, 21952, 22400, 24010, 25088, 27440, 31360, 33614, 34300, 38416, 39200, 43904, 44800, 48020, 54880, 60025, 62720, 67228, 68600, 76832, 78400, 84035, 87808, 89600, 96040, 109760, 120050, 125440, 134456, 137200, 153664, 156800, 168070, 175616, 192080, 219520, 240100, 268912, 274400, 307328, 313600, 336140, 384160, 420175, 439040, 480200, 537824, 548800, 614656, 627200, 672280, 768320, 840350, 878080, 960400, 1075648, 1097600, 1229312, 1344560, 1536640, 1680700, 1920800, 2151296, 2195200, 2689120, 3073280, 3361400, 3841600, 4302592, 4390400, 5378240, 6146560, 6722800, 7683200, 8605184, 10756480, 13445600, 15366400, 21512960, 26891200, 30732800, 43025920, 53782400, 107564800, 215129600]

約数ペア:

[(1, 215129600), (2, 107564800), (4, 53782400), (5, 43025920), (7, 30732800), (8, 26891200), (10, 21512960), (14, 15366400), (16, 13445600), (20, 10756480), (25, 8605184), (28, 7683200), (32, 6722800), (35, 6146560), (40, 5378240), (49, 4390400), (50, 4302592), (56, 3841600), (64, 3361400), (70, 3073280), (80, 2689120), (98, 2195200), (100, 2151296), (112, 1920800), (128, 1680700), (140, 1536640), (160, 1344560), (175, 1229312), (196, 1097600), (200, 1075648), (224, 960400), (245, 878080), (256, 840350), (280, 768320), (320, 672280), (343, 627200), (350, 614656), (392, 548800), (400, 537824), (448, 480200), (490, 439040), (512, 420175), (560, 384160), (640, 336140), (686, 313600), (700, 307328), (784, 274400), (800, 268912), (896, 240100), (980, 219520), (1120, 192080), (1225, 175616), (1280, 168070), (1372, 156800), (1400, 153664), (1568, 137200), (1600, 134456), (1715, 125440), (1792, 120050), (1960, 109760), (2240, 96040), (2401, 89600), (2450, 87808), (2560, 84035), (2744, 78400), (2800, 76832), (3136, 68600), (3200, 67228), (3430, 62720), (3584, 60025), (3920, 54880), (4480, 48020), (4802, 44800), (4900, 43904), (5488, 39200), (5600, 38416), (6272, 34300), (6400, 33614), (6860, 31360), (7840, 27440), (8575, 25088), (8960, 24010), (9604, 22400), (9800, 21952), (10976, 19600), (11200, 19208), (12005, 17920), (12544, 17150), (12800, 16807), (13720, 15680)]