128153600

素因数分解:

$2^{11}\times 5^2\times {\mathrm{2503}}^1$

素因数の和:2535

約数の個数: 72

約数和(自身を含む): 317870280

約数和(自身を除く): 189716680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2503, 2560, 3200, 5006, 5120, 6400, 10012, 10240, 12515, 12800, 20024, 25030, 25600, 40048, 50060, 51200, 62575, 80096, 100120, 125150, 160192, 200240, 250300, 320384, 400480, 500600, 640768, 800960, 1001200, 1281536, 1601920, 2002400, 2563072, 3203840, 4004800, 5126144, 6407680, 8009600, 12815360, 16019200, 25630720, 32038400, 64076800, 128153600]

約数ペア:

[(1, 128153600), (2, 64076800), (4, 32038400), (5, 25630720), (8, 16019200), (10, 12815360), (16, 8009600), (20, 6407680), (25, 5126144), (32, 4004800), (40, 3203840), (50, 2563072), (64, 2002400), (80, 1601920), (100, 1281536), (128, 1001200), (160, 800960), (200, 640768), (256, 500600), (320, 400480), (400, 320384), (512, 250300), (640, 200240), (800, 160192), (1024, 125150), (1280, 100120), (1600, 80096), (2048, 62575), (2503, 51200), (2560, 50060), (3200, 40048), (5006, 25600), (5120, 25030), (6400, 20024), (10012, 12800), (10240, 12515)]