261126880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1753}}^1$

素因数の和:1801

約数の個数: 144

約数和(自身を含む): 755833680

約数和(自身を除く): 494706800

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, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1753, 1862, 1960, 2128, 2660, 3040, 3506, 3724, 3920, 4256, 4655, 5320, 7012, 7448, 7840, 8765, 9310, 10640, 12271, 14024, 14896, 17530, 18620, 21280, 24542, 28048, 29792, 33307, 35060, 37240, 49084, 56096, 61355, 66614, 70120, 74480, 85897, 98168, 122710, 133228, 140240, 148960, 166535, 171794, 196336, 233149, 245420, 266456, 280480, 333070, 343588, 392672, 429485, 466298, 490840, 532912, 666140, 687176, 858970, 932596, 981680, 1065824, 1165745, 1332280, 1374352, 1632043, 1717940, 1865192, 1963360, 2331490, 2664560, 2748704, 3264086, 3435880, 3730384, 4662980, 5329120, 6528172, 6871760, 7460768, 8160215, 9325960, 13056344, 13743520, 16320430, 18651920, 26112688, 32640860, 37303840, 52225376, 65281720, 130563440, 261126880]

約数ペア:

[(1, 261126880), (2, 130563440), (4, 65281720), (5, 52225376), (7, 37303840), (8, 32640860), (10, 26112688), (14, 18651920), (16, 16320430), (19, 13743520), (20, 13056344), (28, 9325960), (32, 8160215), (35, 7460768), (38, 6871760), (40, 6528172), (49, 5329120), (56, 4662980), (70, 3730384), (76, 3435880), (80, 3264086), (95, 2748704), (98, 2664560), (112, 2331490), (133, 1963360), (140, 1865192), (152, 1717940), (160, 1632043), (190, 1374352), (196, 1332280), (224, 1165745), (245, 1065824), (266, 981680), (280, 932596), (304, 858970), (380, 687176), (392, 666140), (490, 532912), (532, 490840), (560, 466298), (608, 429485), (665, 392672), (760, 343588), (784, 333070), (931, 280480), (980, 266456), (1064, 245420), (1120, 233149), (1330, 196336), (1520, 171794), (1568, 166535), (1753, 148960), (1862, 140240), (1960, 133228), (2128, 122710), (2660, 98168), (3040, 85897), (3506, 74480), (3724, 70120), (3920, 66614), (4256, 61355), (4655, 56096), (5320, 49084), (7012, 37240), (7448, 35060), (7840, 33307), (8765, 29792), (9310, 28048), (10640, 24542), (12271, 21280), (14024, 18620), (14896, 17530)]