68310920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1886

約数の個数: 64

約数和(自身を含む): 164384640

約数和(自身を除く): 96073720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1811, 1886, 3622, 3772, 4715, 7244, 7544, 9055, 9430, 14488, 18110, 18860, 36220, 37720, 41653, 72440, 74251, 83306, 148502, 166612, 208265, 297004, 333224, 371255, 416530, 594008, 742510, 833060, 1485020, 1666120, 1707773, 2970040, 3415546, 6831092, 8538865, 13662184, 17077730, 34155460, 68310920]

約数ペア:

[(1, 68310920), (2, 34155460), (4, 17077730), (5, 13662184), (8, 8538865), (10, 6831092), (20, 3415546), (23, 2970040), (40, 1707773), (41, 1666120), (46, 1485020), (82, 833060), (92, 742510), (115, 594008), (164, 416530), (184, 371255), (205, 333224), (230, 297004), (328, 208265), (410, 166612), (460, 148502), (820, 83306), (920, 74251), (943, 72440), (1640, 41653), (1811, 37720), (1886, 36220), (3622, 18860), (3772, 18110), (4715, 14488), (7244, 9430), (7544, 9055)]