340787200

素因数分解:

$2^{20}\times 5^2\times {\mathrm{13}}^1$

素因数の和:63

約数の個数: 126

約数和(自身を含む): 910163534

約数和(自身を除く): 569376334

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1024, 1040, 1280, 1300, 1600, 1664, 2048, 2080, 2560, 2600, 3200, 3328, 4096, 4160, 5120, 5200, 6400, 6656, 8192, 8320, 10240, 10400, 12800, 13312, 16384, 16640, 20480, 20800, 25600, 26624, 32768, 33280, 40960, 41600, 51200, 53248, 65536, 66560, 81920, 83200, 102400, 106496, 131072, 133120, 163840, 166400, 204800, 212992, 262144, 266240, 327680, 332800, 409600, 425984, 524288, 532480, 655360, 665600, 819200, 851968, 1048576, 1064960, 1310720, 1331200, 1638400, 1703936, 2129920, 2621440, 2662400, 3276800, 3407872, 4259840, 5242880, 5324800, 6553600, 6815744, 8519680, 10649600, 13107200, 13631488, 17039360, 21299200, 26214400, 34078720, 42598400, 68157440, 85196800, 170393600, 340787200]

約数ペア:

[(1, 340787200), (2, 170393600), (4, 85196800), (5, 68157440), (8, 42598400), (10, 34078720), (13, 26214400), (16, 21299200), (20, 17039360), (25, 13631488), (26, 13107200), (32, 10649600), (40, 8519680), (50, 6815744), (52, 6553600), (64, 5324800), (65, 5242880), (80, 4259840), (100, 3407872), (104, 3276800), (128, 2662400), (130, 2621440), (160, 2129920), (200, 1703936), (208, 1638400), (256, 1331200), (260, 1310720), (320, 1064960), (325, 1048576), (400, 851968), (416, 819200), (512, 665600), (520, 655360), (640, 532480), (650, 524288), (800, 425984), (832, 409600), (1024, 332800), (1040, 327680), (1280, 266240), (1300, 262144), (1600, 212992), (1664, 204800), (2048, 166400), (2080, 163840), (2560, 133120), (2600, 131072), (3200, 106496), (3328, 102400), (4096, 83200), (4160, 81920), (5120, 66560), (5200, 65536), (6400, 53248), (6656, 51200), (8192, 41600), (8320, 40960), (10240, 33280), (10400, 32768), (12800, 26624), (13312, 25600), (16384, 20800), (16640, 20480)]