256728960

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 256

約数和(自身を含む): 925344000

約数和(自身を除く): 668615040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 83, 90, 96, 108, 120, 128, 135, 144, 160, 166, 179, 180, 192, 216, 240, 249, 270, 288, 320, 332, 358, 360, 384, 415, 432, 480, 498, 537, 540, 576, 640, 664, 716, 720, 747, 830, 864, 895, 960, 996, 1074, 1080, 1152, 1245, 1328, 1432, 1440, 1494, 1611, 1660, 1728, 1790, 1920, 1992, 2148, 2160, 2241, 2490, 2656, 2685, 2864, 2880, 2988, 3222, 3320, 3456, 3580, 3735, 3984, 4296, 4320, 4482, 4833, 4980, 5312, 5370, 5728, 5760, 5976, 6444, 6640, 7160, 7470, 7968, 8055, 8592, 8640, 8964, 9666, 9960, 10624, 10740, 11205, 11456, 11952, 12888, 13280, 14320, 14857, 14940, 15936, 16110, 17184, 17280, 17928, 19332, 19920, 21480, 22410, 22912, 23904, 24165, 25776, 26560, 28640, 29714, 29880, 31872, 32220, 34368, 35856, 38664, 39840, 42960, 44571, 44820, 47808, 48330, 51552, 53120, 57280, 59428, 59760, 64440, 68736, 71712, 74285, 77328, 79680, 85920, 89142, 89640, 95616, 96660, 103104, 114560, 118856, 119520, 128880, 133713, 143424, 148570, 154656, 159360, 171840, 178284, 179280, 193320, 206208, 222855, 237712, 239040, 257760, 267426, 286848, 297140, 309312, 343680, 356568, 358560, 386640, 401139, 445710, 475424, 478080, 515520, 534852, 594280, 618624, 668565, 713136, 717120, 773280, 802278, 891420, 950848, 1031040, 1069704, 1188560, 1337130, 1426272, 1434240, 1546560, 1604556, 1782840, 1901696, 2005695, 2139408, 2377120, 2674260, 2852544, 3093120, 3209112, 3565680, 4011390, 4278816, 4754240, 5348520, 5705088, 6418224, 7131360, 8022780, 8557632, 9508480, 10697040, 12836448, 14262720, 16045560, 17115264, 21394080, 25672896, 28525440, 32091120, 42788160, 51345792, 64182240, 85576320, 128364480, 256728960]

約数ペア:

[(1, 256728960), (2, 128364480), (3, 85576320), (4, 64182240), (5, 51345792), (6, 42788160), (8, 32091120), (9, 28525440), (10, 25672896), (12, 21394080), (15, 17115264), (16, 16045560), (18, 14262720), (20, 12836448), (24, 10697040), (27, 9508480), (30, 8557632), (32, 8022780), (36, 7131360), (40, 6418224), (45, 5705088), (48, 5348520), (54, 4754240), (60, 4278816), (64, 4011390), (72, 3565680), (80, 3209112), (83, 3093120), (90, 2852544), (96, 2674260), (108, 2377120), (120, 2139408), (128, 2005695), (135, 1901696), (144, 1782840), (160, 1604556), (166, 1546560), (179, 1434240), (180, 1426272), (192, 1337130), (216, 1188560), (240, 1069704), (249, 1031040), (270, 950848), (288, 891420), (320, 802278), (332, 773280), (358, 717120), (360, 713136), (384, 668565), (415, 618624), (432, 594280), (480, 534852), (498, 515520), (537, 478080), (540, 475424), (576, 445710), (640, 401139), (664, 386640), (716, 358560), (720, 356568), (747, 343680), (830, 309312), (864, 297140), (895, 286848), (960, 267426), (996, 257760), (1074, 239040), (1080, 237712), (1152, 222855), (1245, 206208), (1328, 193320), (1432, 179280), (1440, 178284), (1494, 171840), (1611, 159360), (1660, 154656), (1728, 148570), (1790, 143424), (1920, 133713), (1992, 128880), (2148, 119520), (2160, 118856), (2241, 114560), (2490, 103104), (2656, 96660), (2685, 95616), (2864, 89640), (2880, 89142), (2988, 85920), (3222, 79680), (3320, 77328), (3456, 74285), (3580, 71712), (3735, 68736), (3984, 64440), (4296, 59760), (4320, 59428), (4482, 57280), (4833, 53120), (4980, 51552), (5312, 48330), (5370, 47808), (5728, 44820), (5760, 44571), (5976, 42960), (6444, 39840), (6640, 38664), (7160, 35856), (7470, 34368), (7968, 32220), (8055, 31872), (8592, 29880), (8640, 29714), (8964, 28640), (9666, 26560), (9960, 25776), (10624, 24165), (10740, 23904), (11205, 22912), (11456, 22410), (11952, 21480), (12888, 19920), (13280, 19332), (14320, 17928), (14857, 17280), (14940, 17184), (15936, 16110)]