39677940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1609}}^1$

素因数の和:1761

約数の個数: 72

約数和(自身を含む): 121310280

約数和(自身を除く): 81632340

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, 1609, 1644, 2055, 2466, 2740, 3218, 4110, 4827, 4932, 6165, 6436, 8045, 8220, 9654, 12330, 14481, 16090, 19308, 24135, 24660, 28962, 32180, 48270, 57924, 72405, 96540, 144810, 220433, 289620, 440866, 661299, 881732, 1102165, 1322598, 1983897, 2204330, 2645196, 3306495, 3967794, 4408660, 6612990, 7935588, 9919485, 13225980, 19838970, 39677940]

約数ペア:

[(1, 39677940), (2, 19838970), (3, 13225980), (4, 9919485), (5, 7935588), (6, 6612990), (9, 4408660), (10, 3967794), (12, 3306495), (15, 2645196), (18, 2204330), (20, 1983897), (30, 1322598), (36, 1102165), (45, 881732), (60, 661299), (90, 440866), (137, 289620), (180, 220433), (274, 144810), (411, 96540), (548, 72405), (685, 57924), (822, 48270), (1233, 32180), (1370, 28962), (1609, 24660), (1644, 24135), (2055, 19308), (2466, 16090), (2740, 14481), (3218, 12330), (4110, 9654), (4827, 8220), (4932, 8045), (6165, 6436)]