256427520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:392

約数の個数: 160

約数和(自身を含む): 828777312

約数和(自身を除く): 572349792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 173, 192, 193, 240, 256, 320, 346, 384, 386, 480, 512, 519, 579, 640, 692, 768, 772, 865, 960, 965, 1038, 1158, 1280, 1384, 1536, 1544, 1730, 1920, 1930, 2076, 2316, 2560, 2595, 2768, 2895, 3088, 3460, 3840, 3860, 4152, 4632, 5190, 5536, 5790, 6176, 6920, 7680, 7720, 8304, 9264, 10380, 11072, 11580, 12352, 13840, 15440, 16608, 18528, 20760, 22144, 23160, 24704, 27680, 30880, 33216, 33389, 37056, 41520, 44288, 46320, 49408, 55360, 61760, 66432, 66778, 74112, 83040, 88576, 92640, 98816, 100167, 110720, 123520, 132864, 133556, 148224, 166080, 166945, 185280, 200334, 221440, 247040, 265728, 267112, 296448, 332160, 333890, 370560, 400668, 442880, 494080, 500835, 534224, 664320, 667780, 741120, 801336, 1001670, 1068448, 1328640, 1335560, 1482240, 1602672, 2003340, 2136896, 2671120, 3205344, 4006680, 4273792, 5342240, 6410688, 8013360, 8547584, 10684480, 12821376, 16026720, 17095168, 21368960, 25642752, 32053440, 42737920, 51285504, 64106880, 85475840, 128213760, 256427520]

約数ペア:

[(1, 256427520), (2, 128213760), (3, 85475840), (4, 64106880), (5, 51285504), (6, 42737920), (8, 32053440), (10, 25642752), (12, 21368960), (15, 17095168), (16, 16026720), (20, 12821376), (24, 10684480), (30, 8547584), (32, 8013360), (40, 6410688), (48, 5342240), (60, 4273792), (64, 4006680), (80, 3205344), (96, 2671120), (120, 2136896), (128, 2003340), (160, 1602672), (173, 1482240), (192, 1335560), (193, 1328640), (240, 1068448), (256, 1001670), (320, 801336), (346, 741120), (384, 667780), (386, 664320), (480, 534224), (512, 500835), (519, 494080), (579, 442880), (640, 400668), (692, 370560), (768, 333890), (772, 332160), (865, 296448), (960, 267112), (965, 265728), (1038, 247040), (1158, 221440), (1280, 200334), (1384, 185280), (1536, 166945), (1544, 166080), (1730, 148224), (1920, 133556), (1930, 132864), (2076, 123520), (2316, 110720), (2560, 100167), (2595, 98816), (2768, 92640), (2895, 88576), (3088, 83040), (3460, 74112), (3840, 66778), (3860, 66432), (4152, 61760), (4632, 55360), (5190, 49408), (5536, 46320), (5790, 44288), (6176, 41520), (6920, 37056), (7680, 33389), (7720, 33216), (8304, 30880), (9264, 27680), (10380, 24704), (11072, 23160), (11580, 22144), (12352, 20760), (13840, 18528), (15440, 16608)]