64337940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2609}}^1$

素因数の和:2761

約数の個数: 72

約数和(自身を含む): 196658280

約数和(自身を除く): 132320340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2609, 2740, 4110, 4932, 5218, 6165, 7827, 8220, 10436, 12330, 13045, 15654, 23481, 24660, 26090, 31308, 39135, 46962, 52180, 78270, 93924, 117405, 156540, 234810, 357433, 469620, 714866, 1072299, 1429732, 1787165, 2144598, 3216897, 3574330, 4289196, 5361495, 6433794, 7148660, 10722990, 12867588, 16084485, 21445980, 32168970, 64337940]

約数ペア:

[(1, 64337940), (2, 32168970), (3, 21445980), (4, 16084485), (5, 12867588), (6, 10722990), (9, 7148660), (10, 6433794), (12, 5361495), (15, 4289196), (18, 3574330), (20, 3216897), (30, 2144598), (36, 1787165), (45, 1429732), (60, 1072299), (90, 714866), (137, 469620), (180, 357433), (274, 234810), (411, 156540), (548, 117405), (685, 93924), (822, 78270), (1233, 52180), (1370, 46962), (1644, 39135), (2055, 31308), (2466, 26090), (2609, 24660), (2740, 23481), (4110, 15654), (4932, 13045), (5218, 12330), (6165, 10436), (7827, 8220)]