72856355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 112250880

約数和(自身を除く): 39394525

約数列:

[1, 5, 11, 13, 19, 31, 55, 65, 95, 143, 155, 173, 209, 247, 341, 403, 589, 715, 865, 1045, 1235, 1705, 1903, 2015, 2249, 2717, 2945, 3287, 4433, 5363, 6479, 7657, 9515, 11245, 13585, 16435, 22165, 24739, 26815, 32395, 36157, 38285, 42731, 58993, 69719, 84227, 101897, 123695, 180785, 213655, 294965, 348595, 421135, 470041, 509485, 766909, 1120867, 1324661, 2350205, 3834545, 5604335, 6623305, 14571271, 72856355]

約数ペア:

[(1, 72856355), (5, 14571271), (11, 6623305), (13, 5604335), (19, 3834545), (31, 2350205), (55, 1324661), (65, 1120867), (95, 766909), (143, 509485), (155, 470041), (173, 421135), (209, 348595), (247, 294965), (341, 213655), (403, 180785), (589, 123695), (715, 101897), (865, 84227), (1045, 69719), (1235, 58993), (1705, 42731), (1903, 38285), (2015, 36157), (2249, 32395), (2717, 26815), (2945, 24739), (3287, 22165), (4433, 16435), (5363, 13585), (6479, 11245), (7657, 9515)]