201825680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{941}}^1$

素因数の和:1344

約数の個数: 80

約数和(自身を含む): 538251264

約数和(自身を除く): 336425584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 383, 560, 766, 941, 1532, 1882, 1915, 2681, 3064, 3764, 3830, 4705, 5362, 6128, 6587, 7528, 7660, 9410, 10724, 13174, 13405, 15056, 15320, 18820, 21448, 26348, 26810, 30640, 32935, 37640, 42896, 52696, 53620, 65870, 75280, 105392, 107240, 131740, 214480, 263480, 360403, 526960, 720806, 1441612, 1802015, 2522821, 2883224, 3604030, 5045642, 5766448, 7208060, 10091284, 12614105, 14416120, 20182568, 25228210, 28832240, 40365136, 50456420, 100912840, 201825680]

約数ペア:

[(1, 201825680), (2, 100912840), (4, 50456420), (5, 40365136), (7, 28832240), (8, 25228210), (10, 20182568), (14, 14416120), (16, 12614105), (20, 10091284), (28, 7208060), (35, 5766448), (40, 5045642), (56, 3604030), (70, 2883224), (80, 2522821), (112, 1802015), (140, 1441612), (280, 720806), (383, 526960), (560, 360403), (766, 263480), (941, 214480), (1532, 131740), (1882, 107240), (1915, 105392), (2681, 75280), (3064, 65870), (3764, 53620), (3830, 52696), (4705, 42896), (5362, 37640), (6128, 32935), (6587, 30640), (7528, 26810), (7660, 26348), (9410, 21448), (10724, 18820), (13174, 15320), (13405, 15056)]