51778620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{937}}^1$

素因数の和:1259

約数の個数: 72

約数和(自身を含む): 157741584

約数和(自身を除く): 105962964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 937, 1228, 1535, 1842, 1874, 2763, 2811, 3070, 3684, 3748, 4605, 4685, 5526, 5622, 6140, 8433, 9210, 9370, 11052, 11244, 13815, 14055, 16866, 18420, 18740, 27630, 28110, 33732, 42165, 55260, 56220, 84330, 168660, 287659, 575318, 862977, 1150636, 1438295, 1725954, 2588931, 2876590, 3451908, 4314885, 5177862, 5753180, 8629770, 10355724, 12944655, 17259540, 25889310, 51778620]

約数ペア:

[(1, 51778620), (2, 25889310), (3, 17259540), (4, 12944655), (5, 10355724), (6, 8629770), (9, 5753180), (10, 5177862), (12, 4314885), (15, 3451908), (18, 2876590), (20, 2588931), (30, 1725954), (36, 1438295), (45, 1150636), (60, 862977), (90, 575318), (180, 287659), (307, 168660), (614, 84330), (921, 56220), (937, 55260), (1228, 42165), (1535, 33732), (1842, 28110), (1874, 27630), (2763, 18740), (2811, 18420), (3070, 16866), (3684, 14055), (3748, 13815), (4605, 11244), (4685, 11052), (5526, 9370), (5622, 9210), (6140, 8433)]