28807200

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{4001}}^1$

素因数の和:4027

約数の個数: 108

約数和(自身を含む): 101606778

約数和(自身を除く): 72799578

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 3600, 4001, 7200, 8002, 12003, 16004, 20005, 24006, 32008, 36009, 40010, 48012, 60015, 64016, 72018, 80020, 96024, 100025, 120030, 128032, 144036, 160040, 180045, 192048, 200050, 240060, 288072, 300075, 320080, 360090, 384096, 400100, 480120, 576144, 600150, 640160, 720180, 800200, 900225, 960240, 1152288, 1200300, 1440360, 1600400, 1800450, 1920480, 2400600, 2880720, 3200800, 3600900, 4801200, 5761440, 7201800, 9602400, 14403600, 28807200]

約数ペア:

[(1, 28807200), (2, 14403600), (3, 9602400), (4, 7201800), (5, 5761440), (6, 4801200), (8, 3600900), (9, 3200800), (10, 2880720), (12, 2400600), (15, 1920480), (16, 1800450), (18, 1600400), (20, 1440360), (24, 1200300), (25, 1152288), (30, 960240), (32, 900225), (36, 800200), (40, 720180), (45, 640160), (48, 600150), (50, 576144), (60, 480120), (72, 400100), (75, 384096), (80, 360090), (90, 320080), (96, 300075), (100, 288072), (120, 240060), (144, 200050), (150, 192048), (160, 180045), (180, 160040), (200, 144036), (225, 128032), (240, 120030), (288, 100025), (300, 96024), (360, 80020), (400, 72018), (450, 64016), (480, 60015), (600, 48012), (720, 40010), (800, 36009), (900, 32008), (1200, 24006), (1440, 20005), (1800, 16004), (2400, 12003), (3600, 8002), (4001, 7200)]