121887920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 361691136

約数和(自身を除く): 239803216

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 80, 88, 94, 110, 112, 140, 154, 176, 188, 220, 235, 280, 308, 329, 376, 385, 421, 440, 470, 517, 560, 616, 658, 752, 770, 842, 880, 940, 1034, 1232, 1316, 1540, 1645, 1684, 1880, 2068, 2105, 2585, 2632, 2947, 3080, 3290, 3368, 3619, 3760, 4136, 4210, 4631, 5170, 5264, 5894, 6160, 6580, 6736, 7238, 8272, 8420, 9262, 10340, 11788, 13160, 14476, 14735, 16840, 18095, 18524, 19787, 20680, 23155, 23576, 26320, 28952, 29470, 32417, 33680, 36190, 37048, 39574, 41360, 46310, 47152, 57904, 58940, 64834, 72380, 74096, 79148, 92620, 98935, 117880, 129668, 138509, 144760, 158296, 162085, 185240, 197870, 217657, 235760, 259336, 277018, 289520, 316592, 324170, 370480, 395740, 435314, 518672, 554036, 648340, 692545, 791480, 870628, 1088285, 1108072, 1296680, 1385090, 1523599, 1582960, 1741256, 2176570, 2216144, 2593360, 2770180, 3047198, 3482512, 4353140, 5540360, 6094396, 7617995, 8706280, 11080720, 12188792, 15235990, 17412560, 24377584, 30471980, 60943960, 121887920]

約数ペア:

[(1, 121887920), (2, 60943960), (4, 30471980), (5, 24377584), (7, 17412560), (8, 15235990), (10, 12188792), (11, 11080720), (14, 8706280), (16, 7617995), (20, 6094396), (22, 5540360), (28, 4353140), (35, 3482512), (40, 3047198), (44, 2770180), (47, 2593360), (55, 2216144), (56, 2176570), (70, 1741256), (77, 1582960), (80, 1523599), (88, 1385090), (94, 1296680), (110, 1108072), (112, 1088285), (140, 870628), (154, 791480), (176, 692545), (188, 648340), (220, 554036), (235, 518672), (280, 435314), (308, 395740), (329, 370480), (376, 324170), (385, 316592), (421, 289520), (440, 277018), (470, 259336), (517, 235760), (560, 217657), (616, 197870), (658, 185240), (752, 162085), (770, 158296), (842, 144760), (880, 138509), (940, 129668), (1034, 117880), (1232, 98935), (1316, 92620), (1540, 79148), (1645, 74096), (1684, 72380), (1880, 64834), (2068, 58940), (2105, 57904), (2585, 47152), (2632, 46310), (2947, 41360), (3080, 39574), (3290, 37048), (3368, 36190), (3619, 33680), (3760, 32417), (4136, 29470), (4210, 28952), (4631, 26320), (5170, 23576), (5264, 23155), (5894, 20680), (6160, 19787), (6580, 18524), (6736, 18095), (7238, 16840), (8272, 14735), (8420, 14476), (9262, 13160), (10340, 11788)]