261480960

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 400

約数和(自身を含む): 1018981656

約数和(自身を除く): 757500696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 97, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 192, 194, 195, 208, 216, 234, 240, 256, 260, 270, 288, 291, 312, 320, 324, 351, 360, 384, 388, 390, 405, 416, 432, 468, 480, 485, 512, 520, 540, 576, 582, 585, 624, 640, 648, 702, 720, 768, 776, 780, 810, 832, 864, 873, 936, 960, 970, 1040, 1053, 1080, 1152, 1164, 1170, 1248, 1261, 1280, 1296, 1404, 1440, 1455, 1536, 1552, 1560, 1620, 1664, 1728, 1746, 1755, 1872, 1920, 1940, 2080, 2106, 2160, 2304, 2328, 2340, 2496, 2522, 2560, 2592, 2619, 2808, 2880, 2910, 3104, 3120, 3240, 3328, 3456, 3492, 3510, 3744, 3783, 3840, 3880, 4160, 4212, 4320, 4365, 4608, 4656, 4680, 4992, 5044, 5184, 5238, 5265, 5616, 5760, 5820, 6208, 6240, 6305, 6480, 6656, 6912, 6984, 7020, 7488, 7566, 7680, 7760, 7857, 8320, 8424, 8640, 8730, 9312, 9360, 9984, 10088, 10368, 10476, 10530, 11232, 11349, 11520, 11640, 12416, 12480, 12610, 12960, 13095, 13824, 13968, 14040, 14976, 15132, 15520, 15714, 16640, 16848, 17280, 17460, 18624, 18720, 18915, 19968, 20176, 20736, 20952, 21060, 22464, 22698, 23040, 23280, 24832, 24960, 25220, 25920, 26190, 27936, 28080, 29952, 30264, 31040, 31428, 33280, 33696, 34047, 34560, 34920, 37248, 37440, 37830, 39285, 40352, 41472, 41904, 42120, 44928, 45396, 46560, 49664, 49920, 50440, 51840, 52380, 55872, 56160, 56745, 59904, 60528, 62080, 62856, 67392, 68094, 69120, 69840, 74496, 74880, 75660, 78570, 80704, 83808, 84240, 89856, 90792, 93120, 99840, 100880, 102141, 103680, 104760, 111744, 112320, 113490, 121056, 124160, 125712, 134784, 136188, 139680, 148992, 149760, 151320, 157140, 161408, 167616, 168480, 170235, 179712, 181584, 186240, 201760, 204282, 207360, 209520, 223488, 224640, 226980, 242112, 248320, 251424, 269568, 272376, 279360, 299520, 302640, 314280, 322816, 335232, 336960, 340470, 363168, 372480, 403520, 408564, 419040, 446976, 449280, 453960, 484224, 502848, 510705, 539136, 544752, 558720, 605280, 628560, 645632, 670464, 673920, 680940, 726336, 744960, 807040, 817128, 838080, 898560, 907920, 968448, 1005696, 1021410, 1089504, 1117440, 1210560, 1257120, 1340928, 1347840, 1361880, 1452672, 1614080, 1634256, 1676160, 1815840, 1936896, 2011392, 2042820, 2179008, 2234880, 2421120, 2514240, 2695680, 2723760, 2905344, 3228160, 3268512, 3352320, 3631680, 4022784, 4085640, 4358016, 4842240, 5028480, 5447520, 5810688, 6537024, 6704640, 7263360, 8171280, 8716032, 9684480, 10056960, 10895040, 13074048, 14526720, 16342560, 17432064, 20113920, 21790080, 26148096, 29053440, 32685120, 43580160, 52296192, 65370240, 87160320, 130740480, 261480960]

約数ペア:

[(1, 261480960), (2, 130740480), (3, 87160320), (4, 65370240), (5, 52296192), (6, 43580160), (8, 32685120), (9, 29053440), (10, 26148096), (12, 21790080), (13, 20113920), (15, 17432064), (16, 16342560), (18, 14526720), (20, 13074048), (24, 10895040), (26, 10056960), (27, 9684480), (30, 8716032), (32, 8171280), (36, 7263360), (39, 6704640), (40, 6537024), (45, 5810688), (48, 5447520), (52, 5028480), (54, 4842240), (60, 4358016), (64, 4085640), (65, 4022784), (72, 3631680), (78, 3352320), (80, 3268512), (81, 3228160), (90, 2905344), (96, 2723760), (97, 2695680), (104, 2514240), (108, 2421120), (117, 2234880), (120, 2179008), (128, 2042820), (130, 2011392), (135, 1936896), (144, 1815840), (156, 1676160), (160, 1634256), (162, 1614080), (180, 1452672), (192, 1361880), (194, 1347840), (195, 1340928), (208, 1257120), (216, 1210560), (234, 1117440), (240, 1089504), (256, 1021410), (260, 1005696), (270, 968448), (288, 907920), (291, 898560), (312, 838080), (320, 817128), (324, 807040), (351, 744960), (360, 726336), (384, 680940), (388, 673920), (390, 670464), (405, 645632), (416, 628560), (432, 605280), (468, 558720), (480, 544752), (485, 539136), (512, 510705), (520, 502848), (540, 484224), (576, 453960), (582, 449280), (585, 446976), (624, 419040), (640, 408564), (648, 403520), (702, 372480), (720, 363168), (768, 340470), (776, 336960), (780, 335232), (810, 322816), (832, 314280), (864, 302640), (873, 299520), (936, 279360), (960, 272376), (970, 269568), (1040, 251424), (1053, 248320), (1080, 242112), (1152, 226980), (1164, 224640), (1170, 223488), (1248, 209520), (1261, 207360), (1280, 204282), (1296, 201760), (1404, 186240), (1440, 181584), (1455, 179712), (1536, 170235), (1552, 168480), (1560, 167616), (1620, 161408), (1664, 157140), (1728, 151320), (1746, 149760), (1755, 148992), (1872, 139680), (1920, 136188), (1940, 134784), (2080, 125712), (2106, 124160), (2160, 121056), (2304, 113490), (2328, 112320), (2340, 111744), (2496, 104760), (2522, 103680), (2560, 102141), (2592, 100880), (2619, 99840), (2808, 93120), (2880, 90792), (2910, 89856), (3104, 84240), (3120, 83808), (3240, 80704), (3328, 78570), (3456, 75660), (3492, 74880), (3510, 74496), (3744, 69840), (3783, 69120), (3840, 68094), (3880, 67392), (4160, 62856), (4212, 62080), (4320, 60528), (4365, 59904), (4608, 56745), (4656, 56160), (4680, 55872), (4992, 52380), (5044, 51840), (5184, 50440), (5238, 49920), (5265, 49664), (5616, 46560), (5760, 45396), (5820, 44928), (6208, 42120), (6240, 41904), (6305, 41472), (6480, 40352), (6656, 39285), (6912, 37830), (6984, 37440), (7020, 37248), (7488, 34920), (7566, 34560), (7680, 34047), (7760, 33696), (7857, 33280), (8320, 31428), (8424, 31040), (8640, 30264), (8730, 29952), (9312, 28080), (9360, 27936), (9984, 26190), (10088, 25920), (10368, 25220), (10476, 24960), (10530, 24832), (11232, 23280), (11349, 23040), (11520, 22698), (11640, 22464), (12416, 21060), (12480, 20952), (12610, 20736), (12960, 20176), (13095, 19968), (13824, 18915), (13968, 18720), (14040, 18624), (14976, 17460), (15132, 17280), (15520, 16848), (15714, 16640)]