257653440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2711}}^1$

素因数の和:2748

約数の個数: 224

約数和(自身を含む): 991941120

約数和(自身を除く): 734287680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 192, 198, 216, 220, 240, 264, 270, 288, 297, 320, 330, 352, 360, 396, 432, 440, 480, 495, 528, 540, 576, 594, 660, 704, 720, 792, 864, 880, 960, 990, 1056, 1080, 1188, 1320, 1440, 1485, 1584, 1728, 1760, 1980, 2112, 2160, 2376, 2640, 2711, 2880, 2970, 3168, 3520, 3960, 4320, 4752, 5280, 5422, 5940, 6336, 7920, 8133, 8640, 9504, 10560, 10844, 11880, 13555, 15840, 16266, 19008, 21688, 23760, 24399, 27110, 29821, 31680, 32532, 40665, 43376, 47520, 48798, 54220, 59642, 65064, 73197, 81330, 86752, 89463, 95040, 97596, 108440, 119284, 121995, 130128, 146394, 149105, 162660, 173504, 178926, 195192, 216880, 238568, 243990, 260256, 268389, 292788, 298210, 325320, 357852, 365985, 390384, 433760, 447315, 477136, 487980, 520512, 536778, 585576, 596420, 650640, 715704, 731970, 780768, 805167, 867520, 894630, 954272, 975960, 1073556, 1171152, 1192840, 1301280, 1341945, 1431408, 1463940, 1561536, 1610334, 1789260, 1908544, 1951920, 2147112, 2342304, 2385680, 2602560, 2683890, 2862816, 2927880, 3220668, 3578520, 3903840, 4025835, 4294224, 4684608, 4771360, 5367780, 5725632, 5855760, 6441336, 7157040, 7807680, 8051670, 8588448, 9542720, 10735560, 11711520, 12882672, 14314080, 16103340, 17176896, 21471120, 23423040, 25765344, 28628160, 32206680, 42942240, 51530688, 64413360, 85884480, 128826720, 257653440]

約数ペア:

[(1, 257653440), (2, 128826720), (3, 85884480), (4, 64413360), (5, 51530688), (6, 42942240), (8, 32206680), (9, 28628160), (10, 25765344), (11, 23423040), (12, 21471120), (15, 17176896), (16, 16103340), (18, 14314080), (20, 12882672), (22, 11711520), (24, 10735560), (27, 9542720), (30, 8588448), (32, 8051670), (33, 7807680), (36, 7157040), (40, 6441336), (44, 5855760), (45, 5725632), (48, 5367780), (54, 4771360), (55, 4684608), (60, 4294224), (64, 4025835), (66, 3903840), (72, 3578520), (80, 3220668), (88, 2927880), (90, 2862816), (96, 2683890), (99, 2602560), (108, 2385680), (110, 2342304), (120, 2147112), (132, 1951920), (135, 1908544), (144, 1789260), (160, 1610334), (165, 1561536), (176, 1463940), (180, 1431408), (192, 1341945), (198, 1301280), (216, 1192840), (220, 1171152), (240, 1073556), (264, 975960), (270, 954272), (288, 894630), (297, 867520), (320, 805167), (330, 780768), (352, 731970), (360, 715704), (396, 650640), (432, 596420), (440, 585576), (480, 536778), (495, 520512), (528, 487980), (540, 477136), (576, 447315), (594, 433760), (660, 390384), (704, 365985), (720, 357852), (792, 325320), (864, 298210), (880, 292788), (960, 268389), (990, 260256), (1056, 243990), (1080, 238568), (1188, 216880), (1320, 195192), (1440, 178926), (1485, 173504), (1584, 162660), (1728, 149105), (1760, 146394), (1980, 130128), (2112, 121995), (2160, 119284), (2376, 108440), (2640, 97596), (2711, 95040), (2880, 89463), (2970, 86752), (3168, 81330), (3520, 73197), (3960, 65064), (4320, 59642), (4752, 54220), (5280, 48798), (5422, 47520), (5940, 43376), (6336, 40665), (7920, 32532), (8133, 31680), (8640, 29821), (9504, 27110), (10560, 24399), (10844, 23760), (11880, 21688), (13555, 19008), (15840, 16266)]