256762880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 176

約数和(自身を含む): 693294336

約数和(自身を除く): 436531456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 97, 110, 128, 160, 176, 188, 194, 220, 235, 256, 320, 352, 376, 388, 440, 470, 485, 512, 517, 640, 704, 752, 776, 880, 940, 970, 1024, 1034, 1067, 1280, 1408, 1504, 1552, 1760, 1880, 1940, 2068, 2134, 2560, 2585, 2816, 3008, 3104, 3520, 3760, 3880, 4136, 4268, 4559, 5120, 5170, 5335, 5632, 6016, 6208, 7040, 7520, 7760, 8272, 8536, 9118, 10340, 10670, 11264, 12032, 12416, 14080, 15040, 15520, 16544, 17072, 18236, 20680, 21340, 22795, 24064, 24832, 28160, 30080, 31040, 33088, 34144, 36472, 41360, 42680, 45590, 48128, 49664, 50149, 56320, 60160, 62080, 66176, 68288, 72944, 82720, 85360, 91180, 99328, 100298, 120320, 124160, 132352, 136576, 145888, 165440, 170720, 182360, 200596, 240640, 248320, 250745, 264704, 273152, 291776, 330880, 341440, 364720, 401192, 496640, 501490, 529408, 546304, 583552, 661760, 682880, 729440, 802384, 1002980, 1092608, 1167104, 1323520, 1365760, 1458880, 1604768, 2005960, 2334208, 2647040, 2731520, 2917760, 3209536, 4011920, 4668416, 5463040, 5835520, 6419072, 8023840, 11671040, 12838144, 16047680, 23342080, 25676288, 32095360, 51352576, 64190720, 128381440, 256762880]

約数ペア:

[(1, 256762880), (2, 128381440), (4, 64190720), (5, 51352576), (8, 32095360), (10, 25676288), (11, 23342080), (16, 16047680), (20, 12838144), (22, 11671040), (32, 8023840), (40, 6419072), (44, 5835520), (47, 5463040), (55, 4668416), (64, 4011920), (80, 3209536), (88, 2917760), (94, 2731520), (97, 2647040), (110, 2334208), (128, 2005960), (160, 1604768), (176, 1458880), (188, 1365760), (194, 1323520), (220, 1167104), (235, 1092608), (256, 1002980), (320, 802384), (352, 729440), (376, 682880), (388, 661760), (440, 583552), (470, 546304), (485, 529408), (512, 501490), (517, 496640), (640, 401192), (704, 364720), (752, 341440), (776, 330880), (880, 291776), (940, 273152), (970, 264704), (1024, 250745), (1034, 248320), (1067, 240640), (1280, 200596), (1408, 182360), (1504, 170720), (1552, 165440), (1760, 145888), (1880, 136576), (1940, 132352), (2068, 124160), (2134, 120320), (2560, 100298), (2585, 99328), (2816, 91180), (3008, 85360), (3104, 82720), (3520, 72944), (3760, 68288), (3880, 66176), (4136, 62080), (4268, 60160), (4559, 56320), (5120, 50149), (5170, 49664), (5335, 48128), (5632, 45590), (6016, 42680), (6208, 41360), (7040, 36472), (7520, 34144), (7760, 33088), (8272, 31040), (8536, 30080), (9118, 28160), (10340, 24832), (10670, 24064), (11264, 22795), (12032, 21340), (12416, 20680), (14080, 18236), (15040, 17072), (15520, 16544)]