71005860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{937}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 216126456

約数和(自身を除く): 145120596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 937, 1263, 1684, 1874, 2105, 2526, 2811, 3748, 3789, 4210, 4685, 5052, 5622, 6315, 7578, 8420, 8433, 9370, 11244, 12630, 14055, 15156, 16866, 18740, 18945, 25260, 28110, 33732, 37890, 42165, 56220, 75780, 84330, 168660, 394477, 788954, 1183431, 1577908, 1972385, 2366862, 3550293, 3944770, 4733724, 5917155, 7100586, 7889540, 11834310, 14201172, 17751465, 23668620, 35502930, 71005860]

約数ペア:

[(1, 71005860), (2, 35502930), (3, 23668620), (4, 17751465), (5, 14201172), (6, 11834310), (9, 7889540), (10, 7100586), (12, 5917155), (15, 4733724), (18, 3944770), (20, 3550293), (30, 2366862), (36, 1972385), (45, 1577908), (60, 1183431), (90, 788954), (180, 394477), (421, 168660), (842, 84330), (937, 75780), (1263, 56220), (1684, 42165), (1874, 37890), (2105, 33732), (2526, 28110), (2811, 25260), (3748, 18945), (3789, 18740), (4210, 16866), (4685, 15156), (5052, 14055), (5622, 12630), (6315, 11244), (7578, 9370), (8420, 8433)]