2840320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{317}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 7799904

約数和(自身を除く): 4959584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 317, 320, 448, 560, 634, 640, 896, 1120, 1268, 1280, 1585, 1792, 2219, 2240, 2536, 3170, 4438, 4480, 5072, 6340, 8876, 8960, 10144, 11095, 12680, 17752, 20288, 22190, 25360, 35504, 40576, 44380, 50720, 71008, 81152, 88760, 101440, 142016, 177520, 202880, 284032, 355040, 405760, 568064, 710080, 1420160, 2840320]

約数ペア:

[(1, 2840320), (2, 1420160), (4, 710080), (5, 568064), (7, 405760), (8, 355040), (10, 284032), (14, 202880), (16, 177520), (20, 142016), (28, 101440), (32, 88760), (35, 81152), (40, 71008), (56, 50720), (64, 44380), (70, 40576), (80, 35504), (112, 25360), (128, 22190), (140, 20288), (160, 17752), (224, 12680), (256, 11095), (280, 10144), (317, 8960), (320, 8876), (448, 6340), (560, 5072), (634, 4480), (640, 4438), (896, 3170), (1120, 2536), (1268, 2240), (1280, 2219), (1585, 1792)]