1320417280

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 288

約数和(自身を含む): 3956752800

約数和(自身を除く): 2636335520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 109, 112, 128, 130, 140, 160, 169, 182, 208, 218, 224, 256, 260, 280, 320, 338, 364, 416, 436, 448, 455, 512, 520, 545, 560, 640, 676, 728, 763, 832, 845, 872, 896, 910, 1024, 1040, 1090, 1120, 1183, 1280, 1352, 1417, 1456, 1526, 1664, 1690, 1744, 1792, 1820, 2048, 2080, 2180, 2240, 2366, 2560, 2704, 2834, 2912, 3052, 3328, 3380, 3488, 3584, 3640, 3815, 4160, 4360, 4480, 4732, 5120, 5408, 5668, 5824, 5915, 6104, 6656, 6760, 6976, 7085, 7168, 7280, 7630, 8320, 8720, 8960, 9464, 9919, 10240, 10816, 11336, 11648, 11830, 12208, 13312, 13520, 13952, 14170, 14336, 14560, 15260, 16640, 17440, 17920, 18421, 18928, 19838, 21632, 22672, 23296, 23660, 24416, 26624, 27040, 27904, 28340, 29120, 30520, 33280, 34880, 35840, 36842, 37856, 39676, 43264, 45344, 46592, 47320, 48832, 49595, 54080, 55808, 56680, 58240, 61040, 66560, 69760, 71680, 73684, 75712, 79352, 86528, 90688, 92105, 93184, 94640, 97664, 99190, 108160, 111616, 113360, 116480, 122080, 128947, 133120, 139520, 147368, 151424, 158704, 173056, 181376, 184210, 186368, 189280, 195328, 198380, 216320, 223232, 226720, 232960, 244160, 257894, 279040, 294736, 302848, 317408, 346112, 362752, 368420, 378560, 390656, 396760, 432640, 453440, 465920, 488320, 515788, 558080, 589472, 605696, 634816, 644735, 725504, 736840, 757120, 781312, 793520, 865280, 906880, 931840, 976640, 1031576, 1116160, 1178944, 1211392, 1269632, 1289470, 1451008, 1473680, 1514240, 1562624, 1587040, 1730560, 1813760, 1953280, 2063152, 2357888, 2422784, 2539264, 2578940, 2902016, 2947360, 3028480, 3174080, 3627520, 3906560, 4126304, 4715776, 5078528, 5157880, 5894720, 6056960, 6348160, 7255040, 7813120, 8252608, 9431552, 10157056, 10315760, 11789440, 12113920, 12696320, 14510080, 16505216, 18863104, 20314112, 20631520, 23578880, 25392640, 33010432, 37726208, 41263040, 47157760, 50785280, 66020864, 82526080, 94315520, 101570560, 132041728, 165052160, 188631040, 264083456, 330104320, 660208640, 1320417280]

約数ペア:

[(1, 1320417280), (2, 660208640), (4, 330104320), (5, 264083456), (7, 188631040), (8, 165052160), (10, 132041728), (13, 101570560), (14, 94315520), (16, 82526080), (20, 66020864), (26, 50785280), (28, 47157760), (32, 41263040), (35, 37726208), (40, 33010432), (52, 25392640), (56, 23578880), (64, 20631520), (65, 20314112), (70, 18863104), (80, 16505216), (91, 14510080), (104, 12696320), (109, 12113920), (112, 11789440), (128, 10315760), (130, 10157056), (140, 9431552), (160, 8252608), (169, 7813120), (182, 7255040), (208, 6348160), (218, 6056960), (224, 5894720), (256, 5157880), (260, 5078528), (280, 4715776), (320, 4126304), (338, 3906560), (364, 3627520), (416, 3174080), (436, 3028480), (448, 2947360), (455, 2902016), (512, 2578940), (520, 2539264), (545, 2422784), (560, 2357888), (640, 2063152), (676, 1953280), (728, 1813760), (763, 1730560), (832, 1587040), (845, 1562624), (872, 1514240), (896, 1473680), (910, 1451008), (1024, 1289470), (1040, 1269632), (1090, 1211392), (1120, 1178944), (1183, 1116160), (1280, 1031576), (1352, 976640), (1417, 931840), (1456, 906880), (1526, 865280), (1664, 793520), (1690, 781312), (1744, 757120), (1792, 736840), (1820, 725504), (2048, 644735), (2080, 634816), (2180, 605696), (2240, 589472), (2366, 558080), (2560, 515788), (2704, 488320), (2834, 465920), (2912, 453440), (3052, 432640), (3328, 396760), (3380, 390656), (3488, 378560), (3584, 368420), (3640, 362752), (3815, 346112), (4160, 317408), (4360, 302848), (4480, 294736), (4732, 279040), (5120, 257894), (5408, 244160), (5668, 232960), (5824, 226720), (5915, 223232), (6104, 216320), (6656, 198380), (6760, 195328), (6976, 189280), (7085, 186368), (7168, 184210), (7280, 181376), (7630, 173056), (8320, 158704), (8720, 151424), (8960, 147368), (9464, 139520), (9919, 133120), (10240, 128947), (10816, 122080), (11336, 116480), (11648, 113360), (11830, 111616), (12208, 108160), (13312, 99190), (13520, 97664), (13952, 94640), (14170, 93184), (14336, 92105), (14560, 90688), (15260, 86528), (16640, 79352), (17440, 75712), (17920, 73684), (18421, 71680), (18928, 69760), (19838, 66560), (21632, 61040), (22672, 58240), (23296, 56680), (23660, 55808), (24416, 54080), (26624, 49595), (27040, 48832), (27904, 47320), (28340, 46592), (29120, 45344), (30520, 43264), (33280, 39676), (34880, 37856), (35840, 36842)]