31431680

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{877}}^1$

素因数の和:909

約数の個数: 88

約数和(自身を含む): 86268768

約数和(自身を除く): 54837088

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, 877, 896, 1024, 1120, 1280, 1754, 1792, 2240, 2560, 3508, 3584, 4385, 4480, 5120, 6139, 7016, 7168, 8770, 8960, 12278, 14032, 17540, 17920, 24556, 28064, 30695, 35080, 35840, 49112, 56128, 61390, 70160, 98224, 112256, 122780, 140320, 196448, 224512, 245560, 280640, 392896, 449024, 491120, 561280, 785792, 898048, 982240, 1122560, 1571584, 1964480, 2245120, 3143168, 3928960, 4490240, 6286336, 7857920, 15715840, 31431680]

約数ペア:

[(1, 31431680), (2, 15715840), (4, 7857920), (5, 6286336), (7, 4490240), (8, 3928960), (10, 3143168), (14, 2245120), (16, 1964480), (20, 1571584), (28, 1122560), (32, 982240), (35, 898048), (40, 785792), (56, 561280), (64, 491120), (70, 449024), (80, 392896), (112, 280640), (128, 245560), (140, 224512), (160, 196448), (224, 140320), (256, 122780), (280, 112256), (320, 98224), (448, 70160), (512, 61390), (560, 56128), (640, 49112), (877, 35840), (896, 35080), (1024, 30695), (1120, 28064), (1280, 24556), (1754, 17920), (1792, 17540), (2240, 14032), (2560, 12278), (3508, 8960), (3584, 8770), (4385, 7168), (4480, 7016), (5120, 6139)]