255243520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 711704448

約数和(自身を除く): 456460928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 224, 244, 256, 280, 305, 320, 427, 448, 467, 488, 560, 610, 640, 854, 896, 934, 976, 1120, 1220, 1280, 1708, 1792, 1868, 1952, 2135, 2240, 2335, 2440, 3269, 3416, 3736, 3904, 4270, 4480, 4670, 4880, 6538, 6832, 7472, 7808, 8540, 8960, 9340, 9760, 13076, 13664, 14944, 15616, 16345, 17080, 18680, 19520, 26152, 27328, 28487, 29888, 32690, 34160, 37360, 39040, 52304, 54656, 56974, 59776, 65380, 68320, 74720, 78080, 104608, 109312, 113948, 119552, 130760, 136640, 142435, 149440, 199409, 209216, 227896, 261520, 273280, 284870, 298880, 398818, 418432, 455792, 523040, 546560, 569740, 597760, 797636, 836864, 911584, 997045, 1046080, 1139480, 1595272, 1823168, 1994090, 2092160, 2278960, 3190544, 3646336, 3988180, 4184320, 4557920, 6381088, 7292672, 7976360, 9115840, 12762176, 15952720, 18231680, 25524352, 31905440, 36463360, 51048704, 63810880, 127621760, 255243520]

約数ペア:

[(1, 255243520), (2, 127621760), (4, 63810880), (5, 51048704), (7, 36463360), (8, 31905440), (10, 25524352), (14, 18231680), (16, 15952720), (20, 12762176), (28, 9115840), (32, 7976360), (35, 7292672), (40, 6381088), (56, 4557920), (61, 4184320), (64, 3988180), (70, 3646336), (80, 3190544), (112, 2278960), (122, 2092160), (128, 1994090), (140, 1823168), (160, 1595272), (224, 1139480), (244, 1046080), (256, 997045), (280, 911584), (305, 836864), (320, 797636), (427, 597760), (448, 569740), (467, 546560), (488, 523040), (560, 455792), (610, 418432), (640, 398818), (854, 298880), (896, 284870), (934, 273280), (976, 261520), (1120, 227896), (1220, 209216), (1280, 199409), (1708, 149440), (1792, 142435), (1868, 136640), (1952, 130760), (2135, 119552), (2240, 113948), (2335, 109312), (2440, 104608), (3269, 78080), (3416, 74720), (3736, 68320), (3904, 65380), (4270, 59776), (4480, 56974), (4670, 54656), (4880, 52304), (6538, 39040), (6832, 37360), (7472, 34160), (7808, 32690), (8540, 29888), (8960, 28487), (9340, 27328), (9760, 26152), (13076, 19520), (13664, 18680), (14944, 17080), (15616, 16345)]