1728792320

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12391}}^1$

素因数の和:12521

約数の個数: 72

約数和(自身を含む): 4179325920

約数和(自身を除く): 2450533600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 640, 872, 1090, 1280, 1744, 2180, 3488, 4360, 6976, 8720, 12391, 13952, 17440, 24782, 27904, 34880, 49564, 61955, 69760, 99128, 123910, 139520, 198256, 247820, 396512, 495640, 793024, 991280, 1350619, 1586048, 1982560, 2701238, 3172096, 3965120, 5402476, 6753095, 7930240, 10804952, 13506190, 15860480, 21609904, 27012380, 43219808, 54024760, 86439616, 108049520, 172879232, 216099040, 345758464, 432198080, 864396160, 1728792320]

約数ペア:

[(1, 1728792320), (2, 864396160), (4, 432198080), (5, 345758464), (8, 216099040), (10, 172879232), (16, 108049520), (20, 86439616), (32, 54024760), (40, 43219808), (64, 27012380), (80, 21609904), (109, 15860480), (128, 13506190), (160, 10804952), (218, 7930240), (256, 6753095), (320, 5402476), (436, 3965120), (545, 3172096), (640, 2701238), (872, 1982560), (1090, 1586048), (1280, 1350619), (1744, 991280), (2180, 793024), (3488, 495640), (4360, 396512), (6976, 247820), (8720, 198256), (12391, 139520), (13952, 123910), (17440, 99128), (24782, 69760), (27904, 61955), (34880, 49564)]