257542560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:332

約数の個数: 288

約数和(自身を含む): 976510080

約数和(自身を除く): 718967520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 71, 72, 80, 88, 90, 96, 99, 110, 120, 132, 142, 144, 160, 165, 176, 180, 198, 213, 220, 229, 240, 264, 284, 288, 330, 352, 355, 360, 396, 426, 440, 458, 480, 495, 528, 568, 639, 660, 687, 710, 720, 781, 792, 852, 880, 916, 990, 1056, 1065, 1136, 1145, 1278, 1320, 1374, 1420, 1440, 1562, 1584, 1704, 1760, 1832, 1980, 2061, 2130, 2272, 2290, 2343, 2519, 2556, 2640, 2748, 2840, 3124, 3168, 3195, 3408, 3435, 3664, 3905, 3960, 4122, 4260, 4580, 4686, 5038, 5112, 5280, 5496, 5680, 6248, 6390, 6816, 6870, 7029, 7328, 7557, 7810, 7920, 8244, 8520, 9160, 9372, 10076, 10224, 10305, 10992, 11360, 11715, 12496, 12595, 12780, 13740, 14058, 15114, 15620, 15840, 16259, 16488, 17040, 18320, 18744, 20152, 20448, 20610, 21984, 22671, 23430, 24992, 25190, 25560, 27480, 28116, 30228, 31240, 32518, 32976, 34080, 35145, 36640, 37488, 37785, 40304, 41220, 45342, 46860, 48777, 50380, 51120, 54960, 56232, 60456, 62480, 65036, 65952, 70290, 74976, 75570, 80608, 81295, 82440, 90684, 93720, 97554, 100760, 102240, 109920, 112464, 113355, 120912, 124960, 130072, 140580, 146331, 151140, 162590, 164880, 178849, 181368, 187440, 195108, 201520, 224928, 226710, 241824, 243885, 260144, 281160, 292662, 302280, 325180, 329760, 357698, 362736, 374880, 390216, 403040, 453420, 487770, 520288, 536547, 562320, 585324, 604560, 650360, 715396, 725472, 731655, 780432, 894245, 906840, 975540, 1073094, 1124640, 1170648, 1209120, 1300720, 1430792, 1463310, 1560864, 1609641, 1788490, 1813680, 1951080, 2146188, 2341296, 2601440, 2682735, 2861584, 2926620, 3219282, 3576980, 3627360, 3902160, 4292376, 4682592, 5365470, 5723168, 5853240, 6438564, 7153960, 7804320, 8048205, 8584752, 10730940, 11706480, 12877128, 14307920, 16096410, 17169504, 21461880, 23412960, 25754256, 28615840, 32192820, 42923760, 51508512, 64385640, 85847520, 128771280, 257542560]

約数ペア:

[(1, 257542560), (2, 128771280), (3, 85847520), (4, 64385640), (5, 51508512), (6, 42923760), (8, 32192820), (9, 28615840), (10, 25754256), (11, 23412960), (12, 21461880), (15, 17169504), (16, 16096410), (18, 14307920), (20, 12877128), (22, 11706480), (24, 10730940), (30, 8584752), (32, 8048205), (33, 7804320), (36, 7153960), (40, 6438564), (44, 5853240), (45, 5723168), (48, 5365470), (55, 4682592), (60, 4292376), (66, 3902160), (71, 3627360), (72, 3576980), (80, 3219282), (88, 2926620), (90, 2861584), (96, 2682735), (99, 2601440), (110, 2341296), (120, 2146188), (132, 1951080), (142, 1813680), (144, 1788490), (160, 1609641), (165, 1560864), (176, 1463310), (180, 1430792), (198, 1300720), (213, 1209120), (220, 1170648), (229, 1124640), (240, 1073094), (264, 975540), (284, 906840), (288, 894245), (330, 780432), (352, 731655), (355, 725472), (360, 715396), (396, 650360), (426, 604560), (440, 585324), (458, 562320), (480, 536547), (495, 520288), (528, 487770), (568, 453420), (639, 403040), (660, 390216), (687, 374880), (710, 362736), (720, 357698), (781, 329760), (792, 325180), (852, 302280), (880, 292662), (916, 281160), (990, 260144), (1056, 243885), (1065, 241824), (1136, 226710), (1145, 224928), (1278, 201520), (1320, 195108), (1374, 187440), (1420, 181368), (1440, 178849), (1562, 164880), (1584, 162590), (1704, 151140), (1760, 146331), (1832, 140580), (1980, 130072), (2061, 124960), (2130, 120912), (2272, 113355), (2290, 112464), (2343, 109920), (2519, 102240), (2556, 100760), (2640, 97554), (2748, 93720), (2840, 90684), (3124, 82440), (3168, 81295), (3195, 80608), (3408, 75570), (3435, 74976), (3664, 70290), (3905, 65952), (3960, 65036), (4122, 62480), (4260, 60456), (4580, 56232), (4686, 54960), (5038, 51120), (5112, 50380), (5280, 48777), (5496, 46860), (5680, 45342), (6248, 41220), (6390, 40304), (6816, 37785), (6870, 37488), (7029, 36640), (7328, 35145), (7557, 34080), (7810, 32976), (7920, 32518), (8244, 31240), (8520, 30228), (9160, 28116), (9372, 27480), (10076, 25560), (10224, 25190), (10305, 24992), (10992, 23430), (11360, 22671), (11715, 21984), (12496, 20610), (12595, 20448), (12780, 20152), (13740, 18744), (14058, 18320), (15114, 17040), (15620, 16488), (15840, 16259)]