128740864

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2113}}^1$

素因数の和:2155

約数の個数: 80

約数和(自身を含む): 311417568

約数和(自身を除く): 182676704

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 896, 952, 1088, 1792, 1904, 2113, 2176, 3584, 3808, 4226, 4352, 7616, 8452, 8704, 14791, 15232, 16904, 29582, 30464, 33808, 35921, 59164, 60928, 67616, 71842, 118328, 135232, 143684, 236656, 251447, 270464, 287368, 473312, 502894, 540928, 574736, 946624, 1005788, 1081856, 1149472, 1893248, 2011576, 2298944, 3786496, 4023152, 4597888, 7572992, 8046304, 9195776, 16092608, 18391552, 32185216, 64370432, 128740864]

約数ペア:

[(1, 128740864), (2, 64370432), (4, 32185216), (7, 18391552), (8, 16092608), (14, 9195776), (16, 8046304), (17, 7572992), (28, 4597888), (32, 4023152), (34, 3786496), (56, 2298944), (64, 2011576), (68, 1893248), (112, 1149472), (119, 1081856), (128, 1005788), (136, 946624), (224, 574736), (238, 540928), (256, 502894), (272, 473312), (448, 287368), (476, 270464), (512, 251447), (544, 236656), (896, 143684), (952, 135232), (1088, 118328), (1792, 71842), (1904, 67616), (2113, 60928), (2176, 59164), (3584, 35921), (3808, 33808), (4226, 30464), (4352, 29582), (7616, 16904), (8452, 15232), (8704, 14791)]