328630260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{111779}}^1$

素因数の和:111805

約数の個数: 72

約数和(自身を含む): 1070405280

約数和(自身を除く): 741775020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 111779, 223558, 335337, 447116, 558895, 670674, 782453, 1117790, 1341348, 1564906, 1676685, 2235580, 2347359, 3129812, 3353370, 3912265, 4694718, 5477171, 6706740, 7824530, 9389436, 10954342, 11736795, 15649060, 16431513, 21908684, 23473590, 27385855, 32863026, 46947180, 54771710, 65726052, 82157565, 109543420, 164315130, 328630260]

約数ペア:

[(1, 328630260), (2, 164315130), (3, 109543420), (4, 82157565), (5, 65726052), (6, 54771710), (7, 46947180), (10, 32863026), (12, 27385855), (14, 23473590), (15, 21908684), (20, 16431513), (21, 15649060), (28, 11736795), (30, 10954342), (35, 9389436), (42, 7824530), (49, 6706740), (60, 5477171), (70, 4694718), (84, 3912265), (98, 3353370), (105, 3129812), (140, 2347359), (147, 2235580), (196, 1676685), (210, 1564906), (245, 1341348), (294, 1117790), (420, 782453), (490, 670674), (588, 558895), (735, 447116), (980, 335337), (1470, 223558), (2940, 111779)]