16800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1$

素因数の和:30

約数の個数: 72

約数和(自身を含む): 62496

約数和(自身を除く): 45696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 2100, 2400, 2800, 3360, 4200, 5600, 8400, 16800]

約数ペア:

[(1, 16800), (2, 8400), (3, 5600), (4, 4200), (5, 3360), (6, 2800), (7, 2400), (8, 2100), (10, 1680), (12, 1400), (14, 1200), (15, 1120), (16, 1050), (20, 840), (21, 800), (24, 700), (25, 672), (28, 600), (30, 560), (32, 525), (35, 480), (40, 420), (42, 400), (48, 350), (50, 336), (56, 300), (60, 280), (70, 240), (75, 224), (80, 210), (84, 200), (96, 175), (100, 168), (105, 160), (112, 150), (120, 140)]