1680304815

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{10733}}^1$

素因数の和:10829

約数の個数: 72

約数和(自身を含む): 3436082208

約数和(自身を除く): 1755777393

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 71, 105, 147, 213, 245, 315, 355, 441, 497, 639, 735, 1065, 1491, 2205, 2485, 3195, 3479, 4473, 7455, 10437, 10733, 17395, 22365, 31311, 32199, 52185, 53665, 75131, 96597, 156555, 160995, 225393, 375655, 482985, 525917, 676179, 762043, 1126965, 1577751, 2286129, 2629585, 3380895, 3810215, 4733253, 5334301, 6858387, 7888755, 11430645, 16002903, 23666265, 26671505, 34291935, 37340107, 48008709, 80014515, 112020321, 186700535, 240043545, 336060963, 560101605, 1680304815]

約数ペア:

[(1, 1680304815), (3, 560101605), (5, 336060963), (7, 240043545), (9, 186700535), (15, 112020321), (21, 80014515), (35, 48008709), (45, 37340107), (49, 34291935), (63, 26671505), (71, 23666265), (105, 16002903), (147, 11430645), (213, 7888755), (245, 6858387), (315, 5334301), (355, 4733253), (441, 3810215), (497, 3380895), (639, 2629585), (735, 2286129), (1065, 1577751), (1491, 1126965), (2205, 762043), (2485, 676179), (3195, 525917), (3479, 482985), (4473, 375655), (7455, 225393), (10437, 160995), (10733, 156555), (17395, 96597), (22365, 75131), (31311, 53665), (32199, 52185)]