320787712

素因数分解:

$2^8\times 7^2\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:376

約数の個数: 108

約数和(自身を含む): 754971840

約数和(自身を除く): 434184128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 107, 112, 128, 196, 214, 224, 239, 256, 392, 428, 448, 478, 749, 784, 856, 896, 956, 1498, 1568, 1673, 1712, 1792, 1912, 2996, 3136, 3346, 3424, 3824, 5243, 5992, 6272, 6692, 6848, 7648, 10486, 11711, 11984, 12544, 13384, 13696, 15296, 20972, 23422, 23968, 25573, 26768, 27392, 30592, 41944, 46844, 47936, 51146, 53536, 61184, 83888, 93688, 95872, 102292, 107072, 167776, 179011, 187376, 191744, 204584, 214144, 335552, 358022, 374752, 409168, 428288, 671104, 716044, 749504, 818336, 1253077, 1342208, 1432088, 1499008, 1636672, 2506154, 2864176, 2998016, 3273344, 5012308, 5728352, 6546688, 10024616, 11456704, 20049232, 22913408, 40098464, 45826816, 80196928, 160393856, 320787712]

約数ペア:

[(1, 320787712), (2, 160393856), (4, 80196928), (7, 45826816), (8, 40098464), (14, 22913408), (16, 20049232), (28, 11456704), (32, 10024616), (49, 6546688), (56, 5728352), (64, 5012308), (98, 3273344), (107, 2998016), (112, 2864176), (128, 2506154), (196, 1636672), (214, 1499008), (224, 1432088), (239, 1342208), (256, 1253077), (392, 818336), (428, 749504), (448, 716044), (478, 671104), (749, 428288), (784, 409168), (856, 374752), (896, 358022), (956, 335552), (1498, 214144), (1568, 204584), (1673, 191744), (1712, 187376), (1792, 179011), (1912, 167776), (2996, 107072), (3136, 102292), (3346, 95872), (3424, 93688), (3824, 83888), (5243, 61184), (5992, 53536), (6272, 51146), (6692, 47936), (6848, 46844), (7648, 41944), (10486, 30592), (11711, 27392), (11984, 26768), (12544, 25573), (13384, 23968), (13696, 23422), (15296, 20972)]