201617920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11251}}^1$

素因数の和:11281

約数の個数: 80

約数和(自身を含む): 552518208

約数和(自身を除く): 350900288

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, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 11251, 17920, 22502, 45004, 56255, 78757, 90008, 112510, 157514, 180016, 225020, 315028, 360032, 393785, 450040, 630056, 720064, 787570, 900080, 1260112, 1440128, 1575140, 1800160, 2520224, 2880256, 3150280, 3600320, 5040448, 5760512, 6300560, 7200640, 10080896, 12601120, 14401280, 20161792, 25202240, 28802560, 40323584, 50404480, 100808960, 201617920]

約数ペア:

[(1, 201617920), (2, 100808960), (4, 50404480), (5, 40323584), (7, 28802560), (8, 25202240), (10, 20161792), (14, 14401280), (16, 12601120), (20, 10080896), (28, 7200640), (32, 6300560), (35, 5760512), (40, 5040448), (56, 3600320), (64, 3150280), (70, 2880256), (80, 2520224), (112, 1800160), (128, 1575140), (140, 1440128), (160, 1260112), (224, 900080), (256, 787570), (280, 720064), (320, 630056), (448, 450040), (512, 393785), (560, 360032), (640, 315028), (896, 225020), (1120, 180016), (1280, 157514), (1792, 112510), (2240, 90008), (2560, 78757), (3584, 56255), (4480, 45004), (8960, 22502), (11251, 17920)]