25200

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1$

素因数の和:31

約数の個数: 90

約数和(自身を含む): 99944

約数和(自身を除く): 74744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1680, 1800, 2100, 2520, 2800, 3150, 3600, 4200, 5040, 6300, 8400, 12600, 25200]

約数ペア:

[(1, 25200), (2, 12600), (3, 8400), (4, 6300), (5, 5040), (6, 4200), (7, 3600), (8, 3150), (9, 2800), (10, 2520), (12, 2100), (14, 1800), (15, 1680), (16, 1575), (18, 1400), (20, 1260), (21, 1200), (24, 1050), (25, 1008), (28, 900), (30, 840), (35, 720), (36, 700), (40, 630), (42, 600), (45, 560), (48, 525), (50, 504), (56, 450), (60, 420), (63, 400), (70, 360), (72, 350), (75, 336), (80, 315), (84, 300), (90, 280), (100, 252), (105, 240), (112, 225), (120, 210), (126, 200), (140, 180), (144, 175), (150, 168)]