265431040

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{23}}^2$

素因数の和:87

約数の個数: 216

約数和(自身を含む): 774470970

約数和(自身を除く): 509039930

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 184, 196, 224, 230, 245, 256, 280, 320, 322, 368, 392, 448, 460, 490, 512, 529, 560, 640, 644, 736, 784, 805, 896, 920, 980, 1024, 1058, 1120, 1127, 1280, 1288, 1472, 1568, 1610, 1792, 1840, 1960, 2048, 2116, 2240, 2254, 2560, 2576, 2645, 2944, 3136, 3220, 3584, 3680, 3703, 3920, 4232, 4480, 4508, 5120, 5152, 5290, 5635, 5888, 6272, 6440, 7168, 7360, 7406, 7840, 8464, 8960, 9016, 10240, 10304, 10580, 11270, 11776, 12544, 12880, 14336, 14720, 14812, 15680, 16928, 17920, 18032, 18515, 20608, 21160, 22540, 23552, 25088, 25760, 25921, 29440, 29624, 31360, 33856, 35840, 36064, 37030, 41216, 42320, 45080, 47104, 50176, 51520, 51842, 58880, 59248, 62720, 67712, 71680, 72128, 74060, 82432, 84640, 90160, 100352, 103040, 103684, 117760, 118496, 125440, 129605, 135424, 144256, 148120, 164864, 169280, 180320, 206080, 207368, 235520, 236992, 250880, 259210, 270848, 288512, 296240, 329728, 338560, 360640, 412160, 414736, 473984, 501760, 518420, 541696, 577024, 592480, 677120, 721280, 824320, 829472, 947968, 1036840, 1083392, 1154048, 1184960, 1354240, 1442560, 1648640, 1658944, 1895936, 2073680, 2308096, 2369920, 2708480, 2885120, 3317888, 3791872, 4147360, 4739840, 5416960, 5770240, 6635776, 7583744, 8294720, 9479680, 11540480, 13271552, 16589440, 18959360, 26543104, 33178880, 37918720, 53086208, 66357760, 132715520, 265431040]

約数ペア:

[(1, 265431040), (2, 132715520), (4, 66357760), (5, 53086208), (7, 37918720), (8, 33178880), (10, 26543104), (14, 18959360), (16, 16589440), (20, 13271552), (23, 11540480), (28, 9479680), (32, 8294720), (35, 7583744), (40, 6635776), (46, 5770240), (49, 5416960), (56, 4739840), (64, 4147360), (70, 3791872), (80, 3317888), (92, 2885120), (98, 2708480), (112, 2369920), (115, 2308096), (128, 2073680), (140, 1895936), (160, 1658944), (161, 1648640), (184, 1442560), (196, 1354240), (224, 1184960), (230, 1154048), (245, 1083392), (256, 1036840), (280, 947968), (320, 829472), (322, 824320), (368, 721280), (392, 677120), (448, 592480), (460, 577024), (490, 541696), (512, 518420), (529, 501760), (560, 473984), (640, 414736), (644, 412160), (736, 360640), (784, 338560), (805, 329728), (896, 296240), (920, 288512), (980, 270848), (1024, 259210), (1058, 250880), (1120, 236992), (1127, 235520), (1280, 207368), (1288, 206080), (1472, 180320), (1568, 169280), (1610, 164864), (1792, 148120), (1840, 144256), (1960, 135424), (2048, 129605), (2116, 125440), (2240, 118496), (2254, 117760), (2560, 103684), (2576, 103040), (2645, 100352), (2944, 90160), (3136, 84640), (3220, 82432), (3584, 74060), (3680, 72128), (3703, 71680), (3920, 67712), (4232, 62720), (4480, 59248), (4508, 58880), (5120, 51842), (5152, 51520), (5290, 50176), (5635, 47104), (5888, 45080), (6272, 42320), (6440, 41216), (7168, 37030), (7360, 36064), (7406, 35840), (7840, 33856), (8464, 31360), (8960, 29624), (9016, 29440), (10240, 25921), (10304, 25760), (10580, 25088), (11270, 23552), (11776, 22540), (12544, 21160), (12880, 20608), (14336, 18515), (14720, 18032), (14812, 17920), (15680, 16928)]