161351680

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{2251}}^1$

素因数の和:2285

約数の個数: 96

約数和(自身を含む): 442653120

約数和(自身を除く): 281301440

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, 1024, 1120, 1280, 1792, 2048, 2240, 2251, 2560, 3584, 4480, 4502, 5120, 7168, 8960, 9004, 10240, 11255, 14336, 15757, 17920, 18008, 22510, 31514, 35840, 36016, 45020, 63028, 71680, 72032, 78785, 90040, 126056, 144064, 157570, 180080, 252112, 288128, 315140, 360160, 504224, 576256, 630280, 720320, 1008448, 1152512, 1260560, 1440640, 2016896, 2305024, 2521120, 2881280, 4033792, 4610048, 5042240, 5762560, 8067584, 10084480, 11525120, 16135168, 20168960, 23050240, 32270336, 40337920, 80675840, 161351680]

約数ペア:

[(1, 161351680), (2, 80675840), (4, 40337920), (5, 32270336), (7, 23050240), (8, 20168960), (10, 16135168), (14, 11525120), (16, 10084480), (20, 8067584), (28, 5762560), (32, 5042240), (35, 4610048), (40, 4033792), (56, 2881280), (64, 2521120), (70, 2305024), (80, 2016896), (112, 1440640), (128, 1260560), (140, 1152512), (160, 1008448), (224, 720320), (256, 630280), (280, 576256), (320, 504224), (448, 360160), (512, 315140), (560, 288128), (640, 252112), (896, 180080), (1024, 157570), (1120, 144064), (1280, 126056), (1792, 90040), (2048, 78785), (2240, 72032), (2251, 71680), (2560, 63028), (3584, 45020), (4480, 36016), (4502, 35840), (5120, 31514), (7168, 22510), (8960, 18008), (9004, 17920), (10240, 15757), (11255, 14336)]