28016898560

素因数分解:

$2^9\times 5^1\times 7^3\times {\mathrm{31907}}^1$

素因数の和:31951

約数の個数: 160

約数和(自身を含む): 78340521600

約数和(自身を除く): 50323623040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 512, 560, 640, 686, 784, 896, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1960, 2240, 2560, 2744, 3136, 3430, 3584, 3920, 4480, 5488, 6272, 6860, 7840, 8960, 10976, 12544, 13720, 15680, 17920, 21952, 25088, 27440, 31360, 31907, 43904, 54880, 62720, 63814, 87808, 109760, 125440, 127628, 159535, 175616, 219520, 223349, 255256, 319070, 439040, 446698, 510512, 638140, 878080, 893396, 1021024, 1116745, 1276280, 1563443, 1786792, 2042048, 2233490, 2552560, 3126886, 3573584, 4084096, 4466980, 5105120, 6253772, 7147168, 7817215, 8168192, 8933960, 10210240, 10944101, 12507544, 14294336, 15634430, 16336384, 17867920, 20420480, 21888202, 25015088, 28588672, 31268860, 35735840, 40840960, 43776404, 50030176, 54720505, 57177344, 62537720, 71471680, 81681920, 87552808, 100060352, 109441010, 114354688, 125075440, 142943360, 175105616, 200120704, 218882020, 250150880, 285886720, 350211232, 400241408, 437764040, 500301760, 571773440, 700422464, 800482816, 875528080, 1000603520, 1400844928, 1751056160, 2001207040, 2801689856, 3502112320, 4002414080, 5603379712, 7004224640, 14008449280, 28016898560]

約数ペア:

[(1, 28016898560), (2, 14008449280), (4, 7004224640), (5, 5603379712), (7, 4002414080), (8, 3502112320), (10, 2801689856), (14, 2001207040), (16, 1751056160), (20, 1400844928), (28, 1000603520), (32, 875528080), (35, 800482816), (40, 700422464), (49, 571773440), (56, 500301760), (64, 437764040), (70, 400241408), (80, 350211232), (98, 285886720), (112, 250150880), (128, 218882020), (140, 200120704), (160, 175105616), (196, 142943360), (224, 125075440), (245, 114354688), (256, 109441010), (280, 100060352), (320, 87552808), (343, 81681920), (392, 71471680), (448, 62537720), (490, 57177344), (512, 54720505), (560, 50030176), (640, 43776404), (686, 40840960), (784, 35735840), (896, 31268860), (980, 28588672), (1120, 25015088), (1280, 21888202), (1372, 20420480), (1568, 17867920), (1715, 16336384), (1792, 15634430), (1960, 14294336), (2240, 12507544), (2560, 10944101), (2744, 10210240), (3136, 8933960), (3430, 8168192), (3584, 7817215), (3920, 7147168), (4480, 6253772), (5488, 5105120), (6272, 4466980), (6860, 4084096), (7840, 3573584), (8960, 3126886), (10976, 2552560), (12544, 2233490), (13720, 2042048), (15680, 1786792), (17920, 1563443), (21952, 1276280), (25088, 1116745), (27440, 1021024), (31360, 893396), (31907, 878080), (43904, 638140), (54880, 510512), (62720, 446698), (63814, 439040), (87808, 319070), (109760, 255256), (125440, 223349), (127628, 219520), (159535, 175616)]