257470080

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19157}}^1$

素因数の和:19186

約数の個数: 128

約数和(自身を含む): 937975680

約数和(自身を除く): 680505600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 19157, 38314, 57471, 76628, 95785, 114942, 134099, 153256, 191570, 229884, 268198, 287355, 306512, 383140, 402297, 459768, 536396, 574710, 613024, 670495, 766280, 804594, 919536, 1072792, 1149420, 1226048, 1340990, 1532560, 1609188, 1839072, 2011485, 2145584, 2298840, 2452096, 2681980, 3065120, 3218376, 3678144, 4022970, 4291168, 4597680, 5363960, 6130240, 6436752, 7356288, 8045940, 8582336, 9195360, 10727920, 12260480, 12873504, 16091880, 17164672, 18390720, 21455840, 25747008, 32183760, 36781440, 42911680, 51494016, 64367520, 85823360, 128735040, 257470080]

約数ペア:

[(1, 257470080), (2, 128735040), (3, 85823360), (4, 64367520), (5, 51494016), (6, 42911680), (7, 36781440), (8, 32183760), (10, 25747008), (12, 21455840), (14, 18390720), (15, 17164672), (16, 16091880), (20, 12873504), (21, 12260480), (24, 10727920), (28, 9195360), (30, 8582336), (32, 8045940), (35, 7356288), (40, 6436752), (42, 6130240), (48, 5363960), (56, 4597680), (60, 4291168), (64, 4022970), (70, 3678144), (80, 3218376), (84, 3065120), (96, 2681980), (105, 2452096), (112, 2298840), (120, 2145584), (128, 2011485), (140, 1839072), (160, 1609188), (168, 1532560), (192, 1340990), (210, 1226048), (224, 1149420), (240, 1072792), (280, 919536), (320, 804594), (336, 766280), (384, 670495), (420, 613024), (448, 574710), (480, 536396), (560, 459768), (640, 402297), (672, 383140), (840, 306512), (896, 287355), (960, 268198), (1120, 229884), (1344, 191570), (1680, 153256), (1920, 134099), (2240, 114942), (2688, 95785), (3360, 76628), (4480, 57471), (6720, 38314), (13440, 19157)]