128828800

素因数分解:

$2^7\times 5^2\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 321765120

約数和(自身を除く): 192936320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 200, 254, 317, 320, 400, 508, 634, 635, 640, 800, 1016, 1268, 1270, 1585, 1600, 2032, 2536, 2540, 3170, 3175, 3200, 4064, 5072, 5080, 6340, 6350, 7925, 8128, 10144, 10160, 12680, 12700, 15850, 16256, 20288, 20320, 25360, 25400, 31700, 40259, 40576, 40640, 50720, 50800, 63400, 80518, 81280, 101440, 101600, 126800, 161036, 201295, 202880, 203200, 253600, 322072, 402590, 406400, 507200, 644144, 805180, 1006475, 1014400, 1288288, 1610360, 2012950, 2576576, 3220720, 4025900, 5153152, 6441440, 8051800, 12882880, 16103600, 25765760, 32207200, 64414400, 128828800]

約数ペア:

[(1, 128828800), (2, 64414400), (4, 32207200), (5, 25765760), (8, 16103600), (10, 12882880), (16, 8051800), (20, 6441440), (25, 5153152), (32, 4025900), (40, 3220720), (50, 2576576), (64, 2012950), (80, 1610360), (100, 1288288), (127, 1014400), (128, 1006475), (160, 805180), (200, 644144), (254, 507200), (317, 406400), (320, 402590), (400, 322072), (508, 253600), (634, 203200), (635, 202880), (640, 201295), (800, 161036), (1016, 126800), (1268, 101600), (1270, 101440), (1585, 81280), (1600, 80518), (2032, 63400), (2536, 50800), (2540, 50720), (3170, 40640), (3175, 40576), (3200, 40259), (4064, 31700), (5072, 25400), (5080, 25360), (6340, 20320), (6350, 20288), (7925, 16256), (8128, 15850), (10144, 12700), (10160, 12680)]