13457920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{751}}^1$

素因数の和:781

約数の個数: 80

約数和(自身を含む): 36926208

約数和(自身を除く): 23468288

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, 751, 896, 1120, 1280, 1502, 1792, 2240, 2560, 3004, 3584, 3755, 4480, 5257, 6008, 7510, 8960, 10514, 12016, 15020, 17920, 21028, 24032, 26285, 30040, 42056, 48064, 52570, 60080, 84112, 96128, 105140, 120160, 168224, 192256, 210280, 240320, 336448, 384512, 420560, 480640, 672896, 841120, 961280, 1345792, 1682240, 1922560, 2691584, 3364480, 6728960, 13457920]

約数ペア:

[(1, 13457920), (2, 6728960), (4, 3364480), (5, 2691584), (7, 1922560), (8, 1682240), (10, 1345792), (14, 961280), (16, 841120), (20, 672896), (28, 480640), (32, 420560), (35, 384512), (40, 336448), (56, 240320), (64, 210280), (70, 192256), (80, 168224), (112, 120160), (128, 105140), (140, 96128), (160, 84112), (224, 60080), (256, 52570), (280, 48064), (320, 42056), (448, 30040), (512, 26285), (560, 24032), (640, 21028), (751, 17920), (896, 15020), (1120, 12016), (1280, 10514), (1502, 8960), (1792, 7510), (2240, 6008), (2560, 5257), (3004, 4480), (3584, 3755)]