12420800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{1109}}^1$

素因数の和:1138

約数の個数: 84

約数和(自身を含む): 34960560

約数和(自身を除く): 22539760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1109, 1120, 1400, 1600, 2218, 2240, 2800, 4436, 5545, 5600, 7763, 8872, 11090, 11200, 15526, 17744, 22180, 27725, 31052, 35488, 38815, 44360, 55450, 62104, 70976, 77630, 88720, 110900, 124208, 155260, 177440, 194075, 221800, 248416, 310520, 354880, 388150, 443600, 496832, 621040, 776300, 887200, 1242080, 1552600, 1774400, 2484160, 3105200, 6210400, 12420800]

約数ペア:

[(1, 12420800), (2, 6210400), (4, 3105200), (5, 2484160), (7, 1774400), (8, 1552600), (10, 1242080), (14, 887200), (16, 776300), (20, 621040), (25, 496832), (28, 443600), (32, 388150), (35, 354880), (40, 310520), (50, 248416), (56, 221800), (64, 194075), (70, 177440), (80, 155260), (100, 124208), (112, 110900), (140, 88720), (160, 77630), (175, 70976), (200, 62104), (224, 55450), (280, 44360), (320, 38815), (350, 35488), (400, 31052), (448, 27725), (560, 22180), (700, 17744), (800, 15526), (1109, 11200), (1120, 11090), (1400, 8872), (1600, 7763), (2218, 5600), (2240, 5545), (2800, 4436)]