256422528

素因数分解:

$2^7\times 3^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 192

約数和(自身を含む): 776903400

約数和(自身を除く): 520480872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 61, 64, 72, 82, 89, 96, 122, 123, 128, 144, 164, 178, 183, 192, 244, 246, 267, 288, 328, 356, 366, 369, 384, 488, 492, 534, 549, 576, 656, 712, 732, 738, 801, 976, 984, 1068, 1098, 1152, 1312, 1424, 1464, 1476, 1602, 1952, 1968, 2136, 2196, 2501, 2624, 2848, 2928, 2952, 3204, 3649, 3904, 3936, 4272, 4392, 5002, 5248, 5429, 5696, 5856, 5904, 6408, 7298, 7503, 7808, 7872, 8544, 8784, 10004, 10858, 10947, 11392, 11712, 11808, 12816, 14596, 15006, 15744, 16287, 17088, 17568, 20008, 21716, 21894, 22509, 23424, 23616, 25632, 29192, 30012, 32574, 32841, 34176, 35136, 40016, 43432, 43788, 45018, 47232, 48861, 51264, 58384, 60024, 65148, 65682, 70272, 80032, 86864, 87576, 90036, 97722, 102528, 116768, 120048, 130296, 131364, 160064, 173728, 175152, 180072, 195444, 222589, 233536, 240096, 260592, 262728, 320128, 347456, 350304, 360144, 390888, 445178, 467072, 480192, 521184, 525456, 667767, 694912, 700608, 720288, 781776, 890356, 960384, 1042368, 1050912, 1335534, 1401216, 1440576, 1563552, 1780712, 2003301, 2084736, 2101824, 2671068, 2881152, 3127104, 3561424, 4006602, 4203648, 5342136, 6254208, 7122848, 8013204, 10684272, 14245696, 16026408, 21368544, 28491392, 32052816, 42737088, 64105632, 85474176, 128211264, 256422528]

約数ペア:

[(1, 256422528), (2, 128211264), (3, 85474176), (4, 64105632), (6, 42737088), (8, 32052816), (9, 28491392), (12, 21368544), (16, 16026408), (18, 14245696), (24, 10684272), (32, 8013204), (36, 7122848), (41, 6254208), (48, 5342136), (61, 4203648), (64, 4006602), (72, 3561424), (82, 3127104), (89, 2881152), (96, 2671068), (122, 2101824), (123, 2084736), (128, 2003301), (144, 1780712), (164, 1563552), (178, 1440576), (183, 1401216), (192, 1335534), (244, 1050912), (246, 1042368), (267, 960384), (288, 890356), (328, 781776), (356, 720288), (366, 700608), (369, 694912), (384, 667767), (488, 525456), (492, 521184), (534, 480192), (549, 467072), (576, 445178), (656, 390888), (712, 360144), (732, 350304), (738, 347456), (801, 320128), (976, 262728), (984, 260592), (1068, 240096), (1098, 233536), (1152, 222589), (1312, 195444), (1424, 180072), (1464, 175152), (1476, 173728), (1602, 160064), (1952, 131364), (1968, 130296), (2136, 120048), (2196, 116768), (2501, 102528), (2624, 97722), (2848, 90036), (2928, 87576), (2952, 86864), (3204, 80032), (3649, 70272), (3904, 65682), (3936, 65148), (4272, 60024), (4392, 58384), (5002, 51264), (5248, 48861), (5429, 47232), (5696, 45018), (5856, 43788), (5904, 43432), (6408, 40016), (7298, 35136), (7503, 34176), (7808, 32841), (7872, 32574), (8544, 30012), (8784, 29192), (10004, 25632), (10858, 23616), (10947, 23424), (11392, 22509), (11712, 21894), (11808, 21716), (12816, 20008), (14596, 17568), (15006, 17088), (15744, 16287)]