240480765

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1059

約数の個数: 64

約数和(自身を含む): 490590720

約数和(自身を除く): 250109955

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 397, 641, 945, 1191, 1923, 1985, 2779, 3205, 3573, 4487, 5769, 5955, 8337, 9615, 10719, 13461, 13895, 17307, 17865, 22435, 25011, 28845, 40383, 41685, 53595, 67305, 75033, 86535, 121149, 125055, 201915, 254477, 375165, 605745, 763431, 1272385, 1781339, 2290293, 3817155, 5344017, 6870879, 8906695, 11451465, 16032051, 26720085, 34354395, 48096153, 80160255, 240480765]

約数ペア:

[(1, 240480765), (3, 80160255), (5, 48096153), (7, 34354395), (9, 26720085), (15, 16032051), (21, 11451465), (27, 8906695), (35, 6870879), (45, 5344017), (63, 3817155), (105, 2290293), (135, 1781339), (189, 1272385), (315, 763431), (397, 605745), (641, 375165), (945, 254477), (1191, 201915), (1923, 125055), (1985, 121149), (2779, 86535), (3205, 75033), (3573, 67305), (4487, 53595), (5769, 41685), (5955, 40383), (8337, 28845), (9615, 25011), (10719, 22435), (13461, 17865), (13895, 17307)]