1311539200

素因数分解:

$2^{15}\times 5^2\times {\mathrm{1601}}^1$

素因数の和:1641

約数の個数: 96

約数和(自身を含む): 3254599170

約数和(自身を除く): 1943059970

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 1601, 2048, 2560, 3200, 3202, 4096, 5120, 6400, 6404, 8005, 8192, 10240, 12800, 12808, 16010, 16384, 20480, 25600, 25616, 32020, 32768, 40025, 40960, 51200, 51232, 64040, 80050, 81920, 102400, 102464, 128080, 160100, 163840, 204800, 204928, 256160, 320200, 409600, 409856, 512320, 640400, 819200, 819712, 1024640, 1280800, 1639424, 2049280, 2561600, 3278848, 4098560, 5123200, 6557696, 8197120, 10246400, 13115392, 16394240, 20492800, 26230784, 32788480, 40985600, 52461568, 65576960, 81971200, 131153920, 163942400, 262307840, 327884800, 655769600, 1311539200]

約数ペア:

[(1, 1311539200), (2, 655769600), (4, 327884800), (5, 262307840), (8, 163942400), (10, 131153920), (16, 81971200), (20, 65576960), (25, 52461568), (32, 40985600), (40, 32788480), (50, 26230784), (64, 20492800), (80, 16394240), (100, 13115392), (128, 10246400), (160, 8197120), (200, 6557696), (256, 5123200), (320, 4098560), (400, 3278848), (512, 2561600), (640, 2049280), (800, 1639424), (1024, 1280800), (1280, 1024640), (1600, 819712), (1601, 819200), (2048, 640400), (2560, 512320), (3200, 409856), (3202, 409600), (4096, 320200), (5120, 256160), (6400, 204928), (6404, 204800), (8005, 163840), (8192, 160100), (10240, 128080), (12800, 102464), (12808, 102400), (16010, 81920), (16384, 80050), (20480, 64040), (25600, 51232), (25616, 51200), (32020, 40960), (32768, 40025)]