1288727040

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5413}}^1$

素因数の和:5470

約数の個数: 160

約数和(自身を含む): 4253584896

約数和(自身を除く): 2964857856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2480, 2560, 2976, 3720, 3840, 3968, 4960, 5413, 5952, 7440, 7680, 7936, 9920, 10826, 11904, 14880, 15872, 16239, 19840, 21652, 23808, 27065, 29760, 32478, 39680, 43304, 47616, 54130, 59520, 64956, 79360, 81195, 86608, 108260, 119040, 129912, 162390, 167803, 173216, 216520, 238080, 259824, 324780, 335606, 346432, 433040, 503409, 519648, 649560, 671212, 692864, 839015, 866080, 1006818, 1039296, 1299120, 1342424, 1385728, 1678030, 1732160, 2013636, 2078592, 2517045, 2598240, 2684848, 2771456, 3356060, 3464320, 4027272, 4157184, 5034090, 5196480, 5369696, 6712120, 6928640, 8054544, 8314368, 10068180, 10392960, 10739392, 13424240, 13857280, 16109088, 20136360, 20785920, 21478784, 26848480, 32218176, 40272720, 41571840, 42957568, 53696960, 64436352, 80545440, 85915136, 107393920, 128872704, 161090880, 214787840, 257745408, 322181760, 429575680, 644363520, 1288727040]

約数ペア:

[(1, 1288727040), (2, 644363520), (3, 429575680), (4, 322181760), (5, 257745408), (6, 214787840), (8, 161090880), (10, 128872704), (12, 107393920), (15, 85915136), (16, 80545440), (20, 64436352), (24, 53696960), (30, 42957568), (31, 41571840), (32, 40272720), (40, 32218176), (48, 26848480), (60, 21478784), (62, 20785920), (64, 20136360), (80, 16109088), (93, 13857280), (96, 13424240), (120, 10739392), (124, 10392960), (128, 10068180), (155, 8314368), (160, 8054544), (186, 6928640), (192, 6712120), (240, 5369696), (248, 5196480), (256, 5034090), (310, 4157184), (320, 4027272), (372, 3464320), (384, 3356060), (465, 2771456), (480, 2684848), (496, 2598240), (512, 2517045), (620, 2078592), (640, 2013636), (744, 1732160), (768, 1678030), (930, 1385728), (960, 1342424), (992, 1299120), (1240, 1039296), (1280, 1006818), (1488, 866080), (1536, 839015), (1860, 692864), (1920, 671212), (1984, 649560), (2480, 519648), (2560, 503409), (2976, 433040), (3720, 346432), (3840, 335606), (3968, 324780), (4960, 259824), (5413, 238080), (5952, 216520), (7440, 173216), (7680, 167803), (7936, 162390), (9920, 129912), (10826, 119040), (11904, 108260), (14880, 86608), (15872, 81195), (16239, 79360), (19840, 64956), (21652, 59520), (23808, 54130), (27065, 47616), (29760, 43304), (32478, 39680)]