1287505408

素因数分解:

$2^9\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15619}}^1$

素因数の和:15667

約数の個数: 80

約数和(自身を含む): 3068017920

約数和(自身を除く): 1780512512

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 512, 644, 736, 896, 1288, 1472, 1792, 2576, 2944, 3584, 5152, 5888, 10304, 11776, 15619, 20608, 31238, 41216, 62476, 82432, 109333, 124952, 218666, 249904, 359237, 437332, 499808, 718474, 874664, 999616, 1436948, 1749328, 1999232, 2514659, 2873896, 3498656, 3998464, 5029318, 5747792, 6997312, 7996928, 10058636, 11495584, 13994624, 20117272, 22991168, 27989248, 40234544, 45982336, 55978496, 80469088, 91964672, 160938176, 183929344, 321876352, 643752704, 1287505408]

約数ペア:

[(1, 1287505408), (2, 643752704), (4, 321876352), (7, 183929344), (8, 160938176), (14, 91964672), (16, 80469088), (23, 55978496), (28, 45982336), (32, 40234544), (46, 27989248), (56, 22991168), (64, 20117272), (92, 13994624), (112, 11495584), (128, 10058636), (161, 7996928), (184, 6997312), (224, 5747792), (256, 5029318), (322, 3998464), (368, 3498656), (448, 2873896), (512, 2514659), (644, 1999232), (736, 1749328), (896, 1436948), (1288, 999616), (1472, 874664), (1792, 718474), (2576, 499808), (2944, 437332), (3584, 359237), (5152, 249904), (5888, 218666), (10304, 124952), (11776, 109333), (15619, 82432), (20608, 62476), (31238, 41216)]