12571212800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{607}}^1\times {\mathrm{809}}^1$

素因数の和:1446

約数の個数: 132

約数和(自身を含む): 31251303360

約数和(自身を除く): 18680090560

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, 607, 640, 800, 809, 1024, 1214, 1280, 1600, 1618, 2428, 2560, 3035, 3200, 3236, 4045, 4856, 5120, 6070, 6400, 6472, 8090, 9712, 12140, 12800, 12944, 15175, 16180, 19424, 20225, 24280, 25600, 25888, 30350, 32360, 38848, 40450, 48560, 51776, 60700, 64720, 77696, 80900, 97120, 103552, 121400, 129440, 155392, 161800, 194240, 207104, 242800, 258880, 310784, 323600, 388480, 414208, 485600, 491063, 517760, 621568, 647200, 776960, 828416, 971200, 982126, 1035520, 1294400, 1553920, 1942400, 1964252, 2071040, 2455315, 2588800, 3107840, 3884800, 3928504, 4142080, 4910630, 5177600, 7769600, 7857008, 9821260, 10355200, 12276575, 15539200, 15714016, 19642520, 20710400, 24553150, 31428032, 39285040, 49106300, 62856064, 78570080, 98212600, 125712128, 157140160, 196425200, 251424256, 314280320, 392850400, 502848512, 628560640, 785700800, 1257121280, 1571401600, 2514242560, 3142803200, 6285606400, 12571212800]

約数ペア:

[(1, 12571212800), (2, 6285606400), (4, 3142803200), (5, 2514242560), (8, 1571401600), (10, 1257121280), (16, 785700800), (20, 628560640), (25, 502848512), (32, 392850400), (40, 314280320), (50, 251424256), (64, 196425200), (80, 157140160), (100, 125712128), (128, 98212600), (160, 78570080), (200, 62856064), (256, 49106300), (320, 39285040), (400, 31428032), (512, 24553150), (607, 20710400), (640, 19642520), (800, 15714016), (809, 15539200), (1024, 12276575), (1214, 10355200), (1280, 9821260), (1600, 7857008), (1618, 7769600), (2428, 5177600), (2560, 4910630), (3035, 4142080), (3200, 3928504), (3236, 3884800), (4045, 3107840), (4856, 2588800), (5120, 2455315), (6070, 2071040), (6400, 1964252), (6472, 1942400), (8090, 1553920), (9712, 1294400), (12140, 1035520), (12800, 982126), (12944, 971200), (15175, 828416), (16180, 776960), (19424, 647200), (20225, 621568), (24280, 517760), (25600, 491063), (25888, 485600), (30350, 414208), (32360, 388480), (38848, 323600), (40450, 310784), (48560, 258880), (51776, 242800), (60700, 207104), (64720, 194240), (77696, 161800), (80900, 155392), (97120, 129440), (103552, 121400)]