1520680000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{5431}}^1$

素因数の和:5470

約数の個数: 140

約数和(自身を含む): 4310270272

約数和(自身を除く): 2789590272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1400, 1600, 1750, 2000, 2240, 2500, 2800, 3500, 4000, 4375, 5000, 5431, 5600, 7000, 8000, 8750, 10000, 10862, 11200, 14000, 17500, 20000, 21724, 27155, 28000, 35000, 38017, 40000, 43448, 54310, 56000, 70000, 76034, 86896, 108620, 135775, 140000, 152068, 173792, 190085, 217240, 271550, 280000, 304136, 347584, 380170, 434480, 543100, 608272, 678875, 760340, 868960, 950425, 1086200, 1216544, 1357750, 1520680, 1737920, 1900850, 2172400, 2433088, 2715500, 3041360, 3394375, 3801700, 4344800, 4752125, 5431000, 6082720, 6788750, 7603400, 8689600, 9504250, 10862000, 12165440, 13577500, 15206800, 19008500, 21724000, 23760625, 27155000, 30413600, 38017000, 43448000, 47521250, 54310000, 60827200, 76034000, 95042500, 108620000, 152068000, 190085000, 217240000, 304136000, 380170000, 760340000, 1520680000]

約数ペア:

[(1, 1520680000), (2, 760340000), (4, 380170000), (5, 304136000), (7, 217240000), (8, 190085000), (10, 152068000), (14, 108620000), (16, 95042500), (20, 76034000), (25, 60827200), (28, 54310000), (32, 47521250), (35, 43448000), (40, 38017000), (50, 30413600), (56, 27155000), (64, 23760625), (70, 21724000), (80, 19008500), (100, 15206800), (112, 13577500), (125, 12165440), (140, 10862000), (160, 9504250), (175, 8689600), (200, 7603400), (224, 6788750), (250, 6082720), (280, 5431000), (320, 4752125), (350, 4344800), (400, 3801700), (448, 3394375), (500, 3041360), (560, 2715500), (625, 2433088), (700, 2172400), (800, 1900850), (875, 1737920), (1000, 1520680), (1120, 1357750), (1250, 1216544), (1400, 1086200), (1600, 950425), (1750, 868960), (2000, 760340), (2240, 678875), (2500, 608272), (2800, 543100), (3500, 434480), (4000, 380170), (4375, 347584), (5000, 304136), (5431, 280000), (5600, 271550), (7000, 217240), (8000, 190085), (8750, 173792), (10000, 152068), (10862, 140000), (11200, 135775), (14000, 108620), (17500, 86896), (20000, 76034), (21724, 70000), (27155, 56000), (28000, 54310), (35000, 43448), (38017, 40000)]