775909120

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 216

約数和(自身を含む): 2202001200

約数和(自身を除く): 1426092080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 89, 98, 112, 128, 139, 140, 160, 178, 196, 224, 245, 256, 278, 280, 320, 356, 392, 445, 448, 490, 556, 560, 623, 640, 695, 712, 784, 890, 896, 973, 980, 1112, 1120, 1246, 1280, 1390, 1424, 1568, 1780, 1792, 1946, 1960, 2224, 2240, 2492, 2780, 2848, 3115, 3136, 3560, 3892, 3920, 4361, 4448, 4480, 4865, 4984, 5560, 5696, 6230, 6272, 6811, 7120, 7784, 7840, 8722, 8896, 8960, 9730, 9968, 11120, 11392, 12371, 12460, 12544, 13622, 14240, 15568, 15680, 17444, 17792, 19460, 19936, 21805, 22240, 22784, 24742, 24920, 27244, 28480, 31136, 31360, 34055, 34888, 35584, 38920, 39872, 43610, 44480, 49484, 49840, 54488, 56960, 61855, 62272, 62720, 68110, 69776, 77840, 79744, 86597, 87220, 88960, 98968, 99680, 108976, 113920, 123710, 124544, 136220, 139552, 155680, 159488, 173194, 174440, 177920, 197936, 199360, 217952, 247420, 249088, 272440, 279104, 311360, 346388, 348880, 395872, 398720, 432985, 435904, 494840, 544880, 558208, 606179, 622720, 692776, 697760, 791744, 797440, 865970, 871808, 989680, 1089760, 1116416, 1212358, 1245440, 1385552, 1395520, 1583488, 1731940, 1743616, 1979360, 2179520, 2424716, 2771104, 2791040, 3030895, 3166976, 3463880, 3958720, 4359040, 4849432, 5542208, 5582080, 6061790, 6927760, 7917440, 8718080, 9698864, 11084416, 12123580, 13855520, 15834880, 19397728, 22168832, 24247160, 27711040, 38795456, 48494320, 55422080, 77590912, 96988640, 110844160, 155181824, 193977280, 387954560, 775909120]

約数ペア:

[(1, 775909120), (2, 387954560), (4, 193977280), (5, 155181824), (7, 110844160), (8, 96988640), (10, 77590912), (14, 55422080), (16, 48494320), (20, 38795456), (28, 27711040), (32, 24247160), (35, 22168832), (40, 19397728), (49, 15834880), (56, 13855520), (64, 12123580), (70, 11084416), (80, 9698864), (89, 8718080), (98, 7917440), (112, 6927760), (128, 6061790), (139, 5582080), (140, 5542208), (160, 4849432), (178, 4359040), (196, 3958720), (224, 3463880), (245, 3166976), (256, 3030895), (278, 2791040), (280, 2771104), (320, 2424716), (356, 2179520), (392, 1979360), (445, 1743616), (448, 1731940), (490, 1583488), (556, 1395520), (560, 1385552), (623, 1245440), (640, 1212358), (695, 1116416), (712, 1089760), (784, 989680), (890, 871808), (896, 865970), (973, 797440), (980, 791744), (1112, 697760), (1120, 692776), (1246, 622720), (1280, 606179), (1390, 558208), (1424, 544880), (1568, 494840), (1780, 435904), (1792, 432985), (1946, 398720), (1960, 395872), (2224, 348880), (2240, 346388), (2492, 311360), (2780, 279104), (2848, 272440), (3115, 249088), (3136, 247420), (3560, 217952), (3892, 199360), (3920, 197936), (4361, 177920), (4448, 174440), (4480, 173194), (4865, 159488), (4984, 155680), (5560, 139552), (5696, 136220), (6230, 124544), (6272, 123710), (6811, 113920), (7120, 108976), (7784, 99680), (7840, 98968), (8722, 88960), (8896, 87220), (8960, 86597), (9730, 79744), (9968, 77840), (11120, 69776), (11392, 68110), (12371, 62720), (12460, 62272), (12544, 61855), (13622, 56960), (14240, 54488), (15568, 49840), (15680, 49484), (17444, 44480), (17792, 43610), (19460, 39872), (19936, 38920), (21805, 35584), (22240, 34888), (22784, 34055), (24742, 31360), (24920, 31136), (27244, 28480)]