8781360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{5227}}^1$

素因数の和:5250

約数の個数: 80

約数和(自身を含む): 31117056

約数和(自身を除く): 22335696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 5227, 10454, 15681, 20908, 26135, 31362, 36589, 41816, 52270, 62724, 73178, 78405, 83632, 104540, 109767, 125448, 146356, 156810, 182945, 209080, 219534, 250896, 292712, 313620, 365890, 418160, 439068, 548835, 585424, 627240, 731780, 878136, 1097670, 1254480, 1463560, 1756272, 2195340, 2927120, 4390680, 8781360]

約数ペア:

[(1, 8781360), (2, 4390680), (3, 2927120), (4, 2195340), (5, 1756272), (6, 1463560), (7, 1254480), (8, 1097670), (10, 878136), (12, 731780), (14, 627240), (15, 585424), (16, 548835), (20, 439068), (21, 418160), (24, 365890), (28, 313620), (30, 292712), (35, 250896), (40, 219534), (42, 209080), (48, 182945), (56, 156810), (60, 146356), (70, 125448), (80, 109767), (84, 104540), (105, 83632), (112, 78405), (120, 73178), (140, 62724), (168, 52270), (210, 41816), (240, 36589), (280, 31362), (336, 26135), (420, 20908), (560, 15681), (840, 10454), (1680, 5227)]