263925760

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 156

約数和(自身を含む): 739549008

約数和(自身を除く): 475623248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 263, 280, 320, 392, 448, 490, 512, 526, 560, 640, 784, 896, 980, 1024, 1052, 1120, 1280, 1315, 1568, 1792, 1841, 1960, 2048, 2104, 2240, 2560, 2630, 3136, 3584, 3682, 3920, 4096, 4208, 4480, 5120, 5260, 6272, 7168, 7364, 7840, 8416, 8960, 9205, 10240, 10520, 12544, 12887, 14336, 14728, 15680, 16832, 17920, 18410, 20480, 21040, 25088, 25774, 28672, 29456, 31360, 33664, 35840, 36820, 42080, 50176, 51548, 58912, 62720, 64435, 67328, 71680, 73640, 84160, 100352, 103096, 117824, 125440, 128870, 134656, 143360, 147280, 168320, 200704, 206192, 235648, 250880, 257740, 269312, 294560, 336640, 412384, 471296, 501760, 515480, 538624, 589120, 673280, 824768, 942592, 1003520, 1030960, 1077248, 1178240, 1346560, 1649536, 1885184, 2061920, 2356480, 2693120, 3299072, 3770368, 4123840, 4712960, 5386240, 6598144, 7540736, 8247680, 9425920, 13196288, 16495360, 18851840, 26392576, 32990720, 37703680, 52785152, 65981440, 131962880, 263925760]

約数ペア:

[(1, 263925760), (2, 131962880), (4, 65981440), (5, 52785152), (7, 37703680), (8, 32990720), (10, 26392576), (14, 18851840), (16, 16495360), (20, 13196288), (28, 9425920), (32, 8247680), (35, 7540736), (40, 6598144), (49, 5386240), (56, 4712960), (64, 4123840), (70, 3770368), (80, 3299072), (98, 2693120), (112, 2356480), (128, 2061920), (140, 1885184), (160, 1649536), (196, 1346560), (224, 1178240), (245, 1077248), (256, 1030960), (263, 1003520), (280, 942592), (320, 824768), (392, 673280), (448, 589120), (490, 538624), (512, 515480), (526, 501760), (560, 471296), (640, 412384), (784, 336640), (896, 294560), (980, 269312), (1024, 257740), (1052, 250880), (1120, 235648), (1280, 206192), (1315, 200704), (1568, 168320), (1792, 147280), (1841, 143360), (1960, 134656), (2048, 128870), (2104, 125440), (2240, 117824), (2560, 103096), (2630, 100352), (3136, 84160), (3584, 73640), (3682, 71680), (3920, 67328), (4096, 64435), (4208, 62720), (4480, 58912), (5120, 51548), (5260, 50176), (6272, 42080), (7168, 36820), (7364, 35840), (7840, 33664), (8416, 31360), (8960, 29456), (9205, 28672), (10240, 25774), (10520, 25088), (12544, 21040), (12887, 20480), (14336, 18410), (14728, 17920), (15680, 16832)]