21580800

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{281}}^1$

素因数の和:314

約数の個数: 132

約数和(自身を含む): 71579496

約数和(自身を除く): 49998696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 281, 300, 320, 384, 400, 480, 512, 562, 600, 640, 768, 800, 843, 960, 1024, 1124, 1200, 1280, 1405, 1536, 1600, 1686, 1920, 2248, 2400, 2560, 2810, 3072, 3200, 3372, 3840, 4215, 4496, 4800, 5120, 5620, 6400, 6744, 7025, 7680, 8430, 8992, 9600, 11240, 12800, 13488, 14050, 15360, 16860, 17984, 19200, 21075, 22480, 25600, 26976, 28100, 33720, 35968, 38400, 42150, 44960, 53952, 56200, 67440, 71936, 76800, 84300, 89920, 107904, 112400, 134880, 143872, 168600, 179840, 215808, 224800, 269760, 287744, 337200, 359680, 431616, 449600, 539520, 674400, 719360, 863232, 899200, 1079040, 1348800, 1438720, 1798400, 2158080, 2697600, 3596800, 4316160, 5395200, 7193600, 10790400, 21580800]

約数ペア:

[(1, 21580800), (2, 10790400), (3, 7193600), (4, 5395200), (5, 4316160), (6, 3596800), (8, 2697600), (10, 2158080), (12, 1798400), (15, 1438720), (16, 1348800), (20, 1079040), (24, 899200), (25, 863232), (30, 719360), (32, 674400), (40, 539520), (48, 449600), (50, 431616), (60, 359680), (64, 337200), (75, 287744), (80, 269760), (96, 224800), (100, 215808), (120, 179840), (128, 168600), (150, 143872), (160, 134880), (192, 112400), (200, 107904), (240, 89920), (256, 84300), (281, 76800), (300, 71936), (320, 67440), (384, 56200), (400, 53952), (480, 44960), (512, 42150), (562, 38400), (600, 35968), (640, 33720), (768, 28100), (800, 26976), (843, 25600), (960, 22480), (1024, 21075), (1124, 19200), (1200, 17984), (1280, 16860), (1405, 15360), (1536, 14050), (1600, 13488), (1686, 12800), (1920, 11240), (2248, 9600), (2400, 8992), (2560, 8430), (2810, 7680), (3072, 7025), (3200, 6744), (3372, 6400), (3840, 5620), (4215, 5120), (4496, 4800)]