643936320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{223589}}^1$

素因数の和:223612

約数の個数: 84

約数和(自身を含む): 2214882540

約数和(自身を除く): 1570946220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 223589, 447178, 670767, 894356, 1117945, 1341534, 1788712, 2012301, 2235890, 2683068, 3353835, 3577424, 4024602, 4471780, 5366136, 6707670, 7154848, 8049204, 8943560, 10061505, 10732272, 13415340, 14309696, 16098408, 17887120, 20123010, 21464544, 26830680, 32196816, 35774240, 40246020, 42929088, 53661360, 64393632, 71548480, 80492040, 107322720, 128787264, 160984080, 214645440, 321968160, 643936320]

約数ペア:

[(1, 643936320), (2, 321968160), (3, 214645440), (4, 160984080), (5, 128787264), (6, 107322720), (8, 80492040), (9, 71548480), (10, 64393632), (12, 53661360), (15, 42929088), (16, 40246020), (18, 35774240), (20, 32196816), (24, 26830680), (30, 21464544), (32, 20123010), (36, 17887120), (40, 16098408), (45, 14309696), (48, 13415340), (60, 10732272), (64, 10061505), (72, 8943560), (80, 8049204), (90, 7154848), (96, 6707670), (120, 5366136), (144, 4471780), (160, 4024602), (180, 3577424), (192, 3353835), (240, 2683068), (288, 2235890), (320, 2012301), (360, 1788712), (480, 1341534), (576, 1117945), (720, 894356), (960, 670767), (1440, 447178), (2880, 223589)]