1689354240

素因数分解:

$2^{15}\times 3^1\times 5^1\times 7^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 256

約数和(自身を含む): 6190698240

約数和(自身を除く): 4501344000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 491, 512, 560, 640, 672, 768, 840, 896, 960, 982, 1024, 1120, 1280, 1344, 1473, 1536, 1680, 1792, 1920, 1964, 2048, 2240, 2455, 2560, 2688, 2946, 3072, 3360, 3437, 3584, 3840, 3928, 4096, 4480, 4910, 5120, 5376, 5892, 6144, 6720, 6874, 7168, 7365, 7680, 7856, 8192, 8960, 9820, 10240, 10311, 10752, 11784, 12288, 13440, 13748, 14336, 14730, 15360, 15712, 16384, 17185, 17920, 19640, 20480, 20622, 21504, 23568, 24576, 26880, 27496, 28672, 29460, 30720, 31424, 32768, 34370, 35840, 39280, 40960, 41244, 43008, 47136, 49152, 51555, 53760, 54992, 57344, 58920, 61440, 62848, 68740, 71680, 78560, 81920, 82488, 86016, 94272, 98304, 103110, 107520, 109984, 114688, 117840, 122880, 125696, 137480, 143360, 157120, 163840, 164976, 172032, 188544, 206220, 215040, 219968, 229376, 235680, 245760, 251392, 274960, 286720, 314240, 329952, 344064, 377088, 412440, 430080, 439936, 471360, 491520, 502784, 549920, 573440, 628480, 659904, 688128, 754176, 824880, 860160, 879872, 942720, 1005568, 1099840, 1146880, 1256960, 1319808, 1508352, 1649760, 1720320, 1759744, 1885440, 2011136, 2199680, 2513920, 2639616, 3016704, 3299520, 3440640, 3519488, 3770880, 4022272, 4399360, 5027840, 5279232, 6033408, 6599040, 7038976, 7541760, 8044544, 8798720, 10055680, 10558464, 12066816, 13198080, 14077952, 15083520, 16089088, 17597440, 20111360, 21116928, 24133632, 26396160, 28155904, 30167040, 35194880, 40222720, 42233856, 48267264, 52792320, 56311808, 60334080, 70389760, 80445440, 84467712, 105584640, 112623616, 120668160, 140779520, 168935424, 211169280, 241336320, 281559040, 337870848, 422338560, 563118080, 844677120, 1689354240]

約数ペア:

[(1, 1689354240), (2, 844677120), (3, 563118080), (4, 422338560), (5, 337870848), (6, 281559040), (7, 241336320), (8, 211169280), (10, 168935424), (12, 140779520), (14, 120668160), (15, 112623616), (16, 105584640), (20, 84467712), (21, 80445440), (24, 70389760), (28, 60334080), (30, 56311808), (32, 52792320), (35, 48267264), (40, 42233856), (42, 40222720), (48, 35194880), (56, 30167040), (60, 28155904), (64, 26396160), (70, 24133632), (80, 21116928), (84, 20111360), (96, 17597440), (105, 16089088), (112, 15083520), (120, 14077952), (128, 13198080), (140, 12066816), (160, 10558464), (168, 10055680), (192, 8798720), (210, 8044544), (224, 7541760), (240, 7038976), (256, 6599040), (280, 6033408), (320, 5279232), (336, 5027840), (384, 4399360), (420, 4022272), (448, 3770880), (480, 3519488), (491, 3440640), (512, 3299520), (560, 3016704), (640, 2639616), (672, 2513920), (768, 2199680), (840, 2011136), (896, 1885440), (960, 1759744), (982, 1720320), (1024, 1649760), (1120, 1508352), (1280, 1319808), (1344, 1256960), (1473, 1146880), (1536, 1099840), (1680, 1005568), (1792, 942720), (1920, 879872), (1964, 860160), (2048, 824880), (2240, 754176), (2455, 688128), (2560, 659904), (2688, 628480), (2946, 573440), (3072, 549920), (3360, 502784), (3437, 491520), (3584, 471360), (3840, 439936), (3928, 430080), (4096, 412440), (4480, 377088), (4910, 344064), (5120, 329952), (5376, 314240), (5892, 286720), (6144, 274960), (6720, 251392), (6874, 245760), (7168, 235680), (7365, 229376), (7680, 219968), (7856, 215040), (8192, 206220), (8960, 188544), (9820, 172032), (10240, 164976), (10311, 163840), (10752, 157120), (11784, 143360), (12288, 137480), (13440, 125696), (13748, 122880), (14336, 117840), (14730, 114688), (15360, 109984), (15712, 107520), (16384, 103110), (17185, 98304), (17920, 94272), (19640, 86016), (20480, 82488), (20622, 81920), (21504, 78560), (23568, 71680), (24576, 68740), (26880, 62848), (27496, 61440), (28672, 58920), (29460, 57344), (30720, 54992), (31424, 53760), (32768, 51555), (34370, 49152), (35840, 47136), (39280, 43008), (40960, 41244)]