1306297600

素因数分解:

$2^8\times 5^2\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:936

約数の個数: 108

約数和(自身を含む): 3247721820

約数和(自身を除く): 1941424220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 401, 509, 640, 800, 802, 1018, 1280, 1600, 1604, 2005, 2036, 2545, 3200, 3208, 4010, 4072, 5090, 6400, 6416, 8020, 8144, 10025, 10180, 12725, 12832, 16040, 16288, 20050, 20360, 25450, 25664, 32080, 32576, 40100, 40720, 50900, 51328, 64160, 65152, 80200, 81440, 101800, 102656, 128320, 130304, 160400, 162880, 203600, 204109, 256640, 320800, 325760, 407200, 408218, 513280, 641600, 651520, 814400, 816436, 1020545, 1283200, 1628800, 1632872, 2041090, 2566400, 3257600, 3265744, 4082180, 5102725, 6531488, 8164360, 10205450, 13062976, 16328720, 20410900, 26125952, 32657440, 40821800, 52251904, 65314880, 81643600, 130629760, 163287200, 261259520, 326574400, 653148800, 1306297600]

約数ペア:

[(1, 1306297600), (2, 653148800), (4, 326574400), (5, 261259520), (8, 163287200), (10, 130629760), (16, 81643600), (20, 65314880), (25, 52251904), (32, 40821800), (40, 32657440), (50, 26125952), (64, 20410900), (80, 16328720), (100, 13062976), (128, 10205450), (160, 8164360), (200, 6531488), (256, 5102725), (320, 4082180), (400, 3265744), (401, 3257600), (509, 2566400), (640, 2041090), (800, 1632872), (802, 1628800), (1018, 1283200), (1280, 1020545), (1600, 816436), (1604, 814400), (2005, 651520), (2036, 641600), (2545, 513280), (3200, 408218), (3208, 407200), (4010, 325760), (4072, 320800), (5090, 256640), (6400, 204109), (6416, 203600), (8020, 162880), (8144, 160400), (10025, 130304), (10180, 128320), (12725, 102656), (12832, 101800), (16040, 81440), (16288, 80200), (20050, 65152), (20360, 64160), (25450, 51328), (25664, 50900), (32080, 40720), (32576, 40100)]