31288320

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 264

約数和(自身を含む): 125178144

約数和(自身を除く): 93889824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 97, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 194, 210, 224, 240, 252, 256, 280, 288, 291, 315, 320, 336, 360, 384, 388, 420, 448, 480, 485, 504, 512, 560, 576, 582, 630, 640, 672, 679, 720, 768, 776, 840, 873, 896, 960, 970, 1008, 1024, 1120, 1152, 1164, 1260, 1280, 1344, 1358, 1440, 1455, 1536, 1552, 1680, 1746, 1792, 1920, 1940, 2016, 2037, 2240, 2304, 2328, 2520, 2560, 2688, 2716, 2880, 2910, 3072, 3104, 3360, 3395, 3492, 3584, 3840, 3880, 4032, 4074, 4365, 4480, 4608, 4656, 5040, 5120, 5376, 5432, 5760, 5820, 6111, 6208, 6720, 6790, 6984, 7168, 7680, 7760, 8064, 8148, 8730, 8960, 9216, 9312, 10080, 10185, 10752, 10864, 11520, 11640, 12222, 12416, 13440, 13580, 13968, 15360, 15520, 16128, 16296, 17460, 17920, 18624, 20160, 20370, 21504, 21728, 23040, 23280, 24444, 24832, 26880, 27160, 27936, 30555, 31040, 32256, 32592, 34920, 35840, 37248, 40320, 40740, 43456, 46080, 46560, 48888, 49664, 53760, 54320, 55872, 61110, 62080, 64512, 65184, 69840, 74496, 80640, 81480, 86912, 93120, 97776, 99328, 107520, 108640, 111744, 122220, 124160, 130368, 139680, 148992, 161280, 162960, 173824, 186240, 195552, 217280, 223488, 244440, 248320, 260736, 279360, 297984, 322560, 325920, 347648, 372480, 391104, 434560, 446976, 488880, 496640, 521472, 558720, 651840, 695296, 744960, 782208, 869120, 893952, 977760, 1042944, 1117440, 1303680, 1489920, 1564416, 1738240, 1955520, 2085888, 2234880, 2607360, 3128832, 3476480, 3911040, 4469760, 5214720, 6257664, 7822080, 10429440, 15644160, 31288320]

約数ペア:

[(1, 31288320), (2, 15644160), (3, 10429440), (4, 7822080), (5, 6257664), (6, 5214720), (7, 4469760), (8, 3911040), (9, 3476480), (10, 3128832), (12, 2607360), (14, 2234880), (15, 2085888), (16, 1955520), (18, 1738240), (20, 1564416), (21, 1489920), (24, 1303680), (28, 1117440), (30, 1042944), (32, 977760), (35, 893952), (36, 869120), (40, 782208), (42, 744960), (45, 695296), (48, 651840), (56, 558720), (60, 521472), (63, 496640), (64, 488880), (70, 446976), (72, 434560), (80, 391104), (84, 372480), (90, 347648), (96, 325920), (97, 322560), (105, 297984), (112, 279360), (120, 260736), (126, 248320), (128, 244440), (140, 223488), (144, 217280), (160, 195552), (168, 186240), (180, 173824), (192, 162960), (194, 161280), (210, 148992), (224, 139680), (240, 130368), (252, 124160), (256, 122220), (280, 111744), (288, 108640), (291, 107520), (315, 99328), (320, 97776), (336, 93120), (360, 86912), (384, 81480), (388, 80640), (420, 74496), (448, 69840), (480, 65184), (485, 64512), (504, 62080), (512, 61110), (560, 55872), (576, 54320), (582, 53760), (630, 49664), (640, 48888), (672, 46560), (679, 46080), (720, 43456), (768, 40740), (776, 40320), (840, 37248), (873, 35840), (896, 34920), (960, 32592), (970, 32256), (1008, 31040), (1024, 30555), (1120, 27936), (1152, 27160), (1164, 26880), (1260, 24832), (1280, 24444), (1344, 23280), (1358, 23040), (1440, 21728), (1455, 21504), (1536, 20370), (1552, 20160), (1680, 18624), (1746, 17920), (1792, 17460), (1920, 16296), (1940, 16128), (2016, 15520), (2037, 15360), (2240, 13968), (2304, 13580), (2328, 13440), (2520, 12416), (2560, 12222), (2688, 11640), (2716, 11520), (2880, 10864), (2910, 10752), (3072, 10185), (3104, 10080), (3360, 9312), (3395, 9216), (3492, 8960), (3584, 8730), (3840, 8148), (3880, 8064), (4032, 7760), (4074, 7680), (4365, 7168), (4480, 6984), (4608, 6790), (4656, 6720), (5040, 6208), (5120, 6111), (5376, 5820), (5432, 5760)]