1320277280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{479}}^1$

素因数の和:631

約数の個数: 192

約数和(自身を含む): 3762339840

約数和(自身を除く): 2442062560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 107, 112, 115, 140, 160, 161, 184, 214, 224, 230, 280, 322, 368, 428, 460, 479, 535, 560, 644, 736, 749, 805, 856, 920, 958, 1070, 1120, 1288, 1498, 1610, 1712, 1840, 1916, 2140, 2395, 2461, 2576, 2996, 3220, 3353, 3424, 3680, 3745, 3832, 4280, 4790, 4922, 5152, 5992, 6440, 6706, 7490, 7664, 8560, 9580, 9844, 11017, 11984, 12305, 12880, 13412, 14980, 15328, 16765, 17120, 17227, 19160, 19688, 22034, 23968, 24610, 25760, 26824, 29960, 33530, 34454, 38320, 39376, 44068, 49220, 51253, 53648, 55085, 59920, 67060, 68908, 76640, 77119, 78752, 86135, 88136, 98440, 102506, 107296, 110170, 119840, 134120, 137816, 154238, 172270, 176272, 196880, 205012, 220340, 256265, 268240, 275632, 308476, 344540, 352544, 358771, 385595, 393760, 410024, 440680, 512530, 536480, 551264, 616952, 689080, 717542, 771190, 820048, 881360, 1025060, 1178819, 1233904, 1378160, 1435084, 1542380, 1640096, 1762720, 1793855, 2050120, 2357638, 2467808, 2756320, 2870168, 3084760, 3587710, 4100240, 4715276, 5740336, 5894095, 6169520, 7175420, 8200480, 8251733, 9430552, 11480672, 11788190, 12339040, 14350840, 16503466, 18861104, 23576380, 28701680, 33006932, 37722208, 41258665, 47152760, 57403360, 66013864, 82517330, 94305520, 132027728, 165034660, 188611040, 264055456, 330069320, 660138640, 1320277280]

約数ペア:

[(1, 1320277280), (2, 660138640), (4, 330069320), (5, 264055456), (7, 188611040), (8, 165034660), (10, 132027728), (14, 94305520), (16, 82517330), (20, 66013864), (23, 57403360), (28, 47152760), (32, 41258665), (35, 37722208), (40, 33006932), (46, 28701680), (56, 23576380), (70, 18861104), (80, 16503466), (92, 14350840), (107, 12339040), (112, 11788190), (115, 11480672), (140, 9430552), (160, 8251733), (161, 8200480), (184, 7175420), (214, 6169520), (224, 5894095), (230, 5740336), (280, 4715276), (322, 4100240), (368, 3587710), (428, 3084760), (460, 2870168), (479, 2756320), (535, 2467808), (560, 2357638), (644, 2050120), (736, 1793855), (749, 1762720), (805, 1640096), (856, 1542380), (920, 1435084), (958, 1378160), (1070, 1233904), (1120, 1178819), (1288, 1025060), (1498, 881360), (1610, 820048), (1712, 771190), (1840, 717542), (1916, 689080), (2140, 616952), (2395, 551264), (2461, 536480), (2576, 512530), (2996, 440680), (3220, 410024), (3353, 393760), (3424, 385595), (3680, 358771), (3745, 352544), (3832, 344540), (4280, 308476), (4790, 275632), (4922, 268240), (5152, 256265), (5992, 220340), (6440, 205012), (6706, 196880), (7490, 176272), (7664, 172270), (8560, 154238), (9580, 137816), (9844, 134120), (11017, 119840), (11984, 110170), (12305, 107296), (12880, 102506), (13412, 98440), (14980, 88136), (15328, 86135), (16765, 78752), (17120, 77119), (17227, 76640), (19160, 68908), (19688, 67060), (22034, 59920), (23968, 55085), (24610, 53648), (25760, 51253), (26824, 49220), (29960, 44068), (33530, 39376), (34454, 38320)]