880204640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 216

約数和(自身を含む): 2561216112

約数和(自身を除く): 1681011472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 311, 361, 380, 392, 490, 532, 560, 608, 622, 665, 722, 760, 784, 931, 980, 1064, 1120, 1244, 1330, 1444, 1520, 1555, 1568, 1805, 1862, 1960, 2128, 2177, 2488, 2527, 2660, 2888, 3040, 3110, 3610, 3724, 3920, 4256, 4354, 4655, 4976, 5054, 5320, 5776, 5909, 6220, 7220, 7448, 7840, 8708, 9310, 9952, 10108, 10640, 10885, 11552, 11818, 12440, 12635, 14440, 14896, 15239, 17416, 17689, 18620, 20216, 21280, 21770, 23636, 24880, 25270, 28880, 29545, 29792, 30478, 34832, 35378, 37240, 40432, 41363, 43540, 47272, 49760, 50540, 57760, 59090, 60956, 69664, 70756, 74480, 76195, 80864, 82726, 87080, 88445, 94544, 101080, 112271, 118180, 121912, 141512, 148960, 152390, 165452, 174160, 176890, 189088, 202160, 206815, 224542, 236360, 243824, 283024, 289541, 304780, 330904, 348320, 353780, 404320, 413630, 449084, 472720, 487648, 561355, 566048, 579082, 609560, 661808, 707560, 785897, 827260, 898168, 945440, 1122710, 1158164, 1219120, 1323616, 1415120, 1447705, 1571794, 1654520, 1796336, 2245420, 2316328, 2438240, 2830240, 2895410, 3143588, 3309040, 3592672, 3929485, 4490840, 4632656, 5501279, 5790820, 6287176, 6618080, 7858970, 8981680, 9265312, 11002558, 11581640, 12574352, 15717940, 17963360, 22005116, 23163280, 25148704, 27506395, 31435880, 44010232, 46326560, 55012790, 62871760, 88020464, 110025580, 125743520, 176040928, 220051160, 440102320, 880204640]

約数ペア:

[(1, 880204640), (2, 440102320), (4, 220051160), (5, 176040928), (7, 125743520), (8, 110025580), (10, 88020464), (14, 62871760), (16, 55012790), (19, 46326560), (20, 44010232), (28, 31435880), (32, 27506395), (35, 25148704), (38, 23163280), (40, 22005116), (49, 17963360), (56, 15717940), (70, 12574352), (76, 11581640), (80, 11002558), (95, 9265312), (98, 8981680), (112, 7858970), (133, 6618080), (140, 6287176), (152, 5790820), (160, 5501279), (190, 4632656), (196, 4490840), (224, 3929485), (245, 3592672), (266, 3309040), (280, 3143588), (304, 2895410), (311, 2830240), (361, 2438240), (380, 2316328), (392, 2245420), (490, 1796336), (532, 1654520), (560, 1571794), (608, 1447705), (622, 1415120), (665, 1323616), (722, 1219120), (760, 1158164), (784, 1122710), (931, 945440), (980, 898168), (1064, 827260), (1120, 785897), (1244, 707560), (1330, 661808), (1444, 609560), (1520, 579082), (1555, 566048), (1568, 561355), (1805, 487648), (1862, 472720), (1960, 449084), (2128, 413630), (2177, 404320), (2488, 353780), (2527, 348320), (2660, 330904), (2888, 304780), (3040, 289541), (3110, 283024), (3610, 243824), (3724, 236360), (3920, 224542), (4256, 206815), (4354, 202160), (4655, 189088), (4976, 176890), (5054, 174160), (5320, 165452), (5776, 152390), (5909, 148960), (6220, 141512), (7220, 121912), (7448, 118180), (7840, 112271), (8708, 101080), (9310, 94544), (9952, 88445), (10108, 87080), (10640, 82726), (10885, 80864), (11552, 76195), (11818, 74480), (12440, 70756), (12635, 69664), (14440, 60956), (14896, 59090), (15239, 57760), (17416, 50540), (17689, 49760), (18620, 47272), (20216, 43540), (21280, 41363), (21770, 40432), (23636, 37240), (24880, 35378), (25270, 34832), (28880, 30478), (29545, 29792)]