690138120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1628

約数の個数: 256

約数和(自身を含む): 2587852800

約数和(自身を除く): 1897714680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 31, 34, 35, 40, 42, 51, 56, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 120, 124, 136, 140, 155, 168, 170, 186, 204, 210, 217, 238, 248, 255, 280, 310, 340, 357, 372, 408, 420, 434, 465, 476, 510, 527, 595, 620, 651, 680, 714, 744, 840, 868, 930, 952, 1020, 1054, 1085, 1190, 1240, 1302, 1428, 1559, 1581, 1736, 1785, 1860, 2040, 2108, 2170, 2380, 2604, 2635, 2856, 3118, 3162, 3255, 3570, 3689, 3720, 4216, 4340, 4677, 4760, 5208, 5270, 6236, 6324, 6510, 7140, 7378, 7795, 7905, 8680, 9354, 10540, 10913, 11067, 12472, 12648, 13020, 14280, 14756, 15590, 15810, 18445, 18708, 21080, 21826, 22134, 23385, 26040, 26503, 29512, 31180, 31620, 32739, 36890, 37416, 43652, 44268, 46770, 48329, 53006, 54565, 55335, 62360, 63240, 65478, 73780, 79509, 87304, 88536, 93540, 96658, 106012, 109130, 110670, 130956, 132515, 144987, 147560, 159018, 163695, 185521, 187080, 193316, 212024, 218260, 221340, 241645, 261912, 265030, 289974, 318036, 327390, 338303, 371042, 386632, 397545, 436520, 442680, 483290, 530060, 556563, 579948, 636072, 654780, 676606, 724935, 742084, 795090, 821593, 927605, 966580, 1014909, 1060120, 1113126, 1159896, 1309560, 1353212, 1449870, 1484168, 1590180, 1643186, 1691515, 1855210, 1933160, 2029818, 2226252, 2464779, 2706424, 2782815, 2899740, 3180360, 3286372, 3383030, 3710420, 4059636, 4107965, 4452504, 4929558, 5074545, 5565630, 5751151, 5799480, 6572744, 6766060, 7420840, 8119272, 8215930, 9859116, 10149090, 11131260, 11502302, 12323895, 13532120, 16431860, 17253453, 19718232, 20298180, 22262520, 23004604, 24647790, 28755755, 32863720, 34506906, 40596360, 46009208, 49295580, 57511510, 69013812, 86267265, 98591160, 115023020, 138027624, 172534530, 230046040, 345069060, 690138120]

約数ペア:

[(1, 690138120), (2, 345069060), (3, 230046040), (4, 172534530), (5, 138027624), (6, 115023020), (7, 98591160), (8, 86267265), (10, 69013812), (12, 57511510), (14, 49295580), (15, 46009208), (17, 40596360), (20, 34506906), (21, 32863720), (24, 28755755), (28, 24647790), (30, 23004604), (31, 22262520), (34, 20298180), (35, 19718232), (40, 17253453), (42, 16431860), (51, 13532120), (56, 12323895), (60, 11502302), (62, 11131260), (68, 10149090), (70, 9859116), (84, 8215930), (85, 8119272), (93, 7420840), (102, 6766060), (105, 6572744), (119, 5799480), (120, 5751151), (124, 5565630), (136, 5074545), (140, 4929558), (155, 4452504), (168, 4107965), (170, 4059636), (186, 3710420), (204, 3383030), (210, 3286372), (217, 3180360), (238, 2899740), (248, 2782815), (255, 2706424), (280, 2464779), (310, 2226252), (340, 2029818), (357, 1933160), (372, 1855210), (408, 1691515), (420, 1643186), (434, 1590180), (465, 1484168), (476, 1449870), (510, 1353212), (527, 1309560), (595, 1159896), (620, 1113126), (651, 1060120), (680, 1014909), (714, 966580), (744, 927605), (840, 821593), (868, 795090), (930, 742084), (952, 724935), (1020, 676606), (1054, 654780), (1085, 636072), (1190, 579948), (1240, 556563), (1302, 530060), (1428, 483290), (1559, 442680), (1581, 436520), (1736, 397545), (1785, 386632), (1860, 371042), (2040, 338303), (2108, 327390), (2170, 318036), (2380, 289974), (2604, 265030), (2635, 261912), (2856, 241645), (3118, 221340), (3162, 218260), (3255, 212024), (3570, 193316), (3689, 187080), (3720, 185521), (4216, 163695), (4340, 159018), (4677, 147560), (4760, 144987), (5208, 132515), (5270, 130956), (6236, 110670), (6324, 109130), (6510, 106012), (7140, 96658), (7378, 93540), (7795, 88536), (7905, 87304), (8680, 79509), (9354, 73780), (10540, 65478), (10913, 63240), (11067, 62360), (12472, 55335), (12648, 54565), (13020, 53006), (14280, 48329), (14756, 46770), (15590, 44268), (15810, 43652), (18445, 37416), (18708, 36890), (21080, 32739), (21826, 31620), (22134, 31180), (23385, 29512), (26040, 26503)]