1272012800

素因数分解:

$2^{13}\times 5^2\times {\mathrm{6211}}^1$

素因数の和:6247

約数の個数: 84

約数和(自身を含む): 3154907076

約数和(自身を除く): 1882894276

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, 2048, 2560, 3200, 4096, 5120, 6211, 6400, 8192, 10240, 12422, 12800, 20480, 24844, 25600, 31055, 40960, 49688, 51200, 62110, 99376, 102400, 124220, 155275, 198752, 204800, 248440, 310550, 397504, 496880, 621100, 795008, 993760, 1242200, 1590016, 1987520, 2484400, 3180032, 3975040, 4968800, 6360064, 7950080, 9937600, 12720128, 15900160, 19875200, 25440256, 31800320, 39750400, 50880512, 63600640, 79500800, 127201280, 159001600, 254402560, 318003200, 636006400, 1272012800]

約数ペア:

[(1, 1272012800), (2, 636006400), (4, 318003200), (5, 254402560), (8, 159001600), (10, 127201280), (16, 79500800), (20, 63600640), (25, 50880512), (32, 39750400), (40, 31800320), (50, 25440256), (64, 19875200), (80, 15900160), (100, 12720128), (128, 9937600), (160, 7950080), (200, 6360064), (256, 4968800), (320, 3975040), (400, 3180032), (512, 2484400), (640, 1987520), (800, 1590016), (1024, 1242200), (1280, 993760), (1600, 795008), (2048, 621100), (2560, 496880), (3200, 397504), (4096, 310550), (5120, 248440), (6211, 204800), (6400, 198752), (8192, 155275), (10240, 124220), (12422, 102400), (12800, 99376), (20480, 62110), (24844, 51200), (25600, 49688), (31055, 40960)]