7857920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{877}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 21535584

約数和(自身を除く): 13677664

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, 560, 640, 877, 896, 1120, 1280, 1754, 1792, 2240, 3508, 4385, 4480, 6139, 7016, 8770, 8960, 12278, 14032, 17540, 24556, 28064, 30695, 35080, 49112, 56128, 61390, 70160, 98224, 112256, 122780, 140320, 196448, 224512, 245560, 280640, 392896, 491120, 561280, 785792, 982240, 1122560, 1571584, 1964480, 3928960, 7857920]

約数ペア:

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