400528080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{556289}}^1$

素因数の和:556308

約数の個数: 60

約数和(自身を含む): 1345109220

約数和(自身を除く): 944581140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 556289, 1112578, 1668867, 2225156, 2781445, 3337734, 4450312, 5006601, 5562890, 6675468, 8344335, 8900624, 10013202, 11125780, 13350936, 16688670, 20026404, 22251560, 25033005, 26701872, 33377340, 40052808, 44503120, 50066010, 66754680, 80105616, 100132020, 133509360, 200264040, 400528080]

約数ペア:

[(1, 400528080), (2, 200264040), (3, 133509360), (4, 100132020), (5, 80105616), (6, 66754680), (8, 50066010), (9, 44503120), (10, 40052808), (12, 33377340), (15, 26701872), (16, 25033005), (18, 22251560), (20, 20026404), (24, 16688670), (30, 13350936), (36, 11125780), (40, 10013202), (45, 8900624), (48, 8344335), (60, 6675468), (72, 5562890), (80, 5006601), (90, 4450312), (120, 3337734), (144, 2781445), (180, 2225156), (240, 1668867), (360, 1112578), (720, 556289)]