128739456

素因数分解:

$2^7\times 3^5\times {\mathrm{4139}}^1$

素因数の和:4168

約数の個数: 96

約数和(自身を含む): 384274800

約数和(自身を除く): 255535344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 288, 324, 384, 432, 486, 576, 648, 864, 972, 1152, 1296, 1728, 1944, 2592, 3456, 3888, 4139, 5184, 7776, 8278, 10368, 12417, 15552, 16556, 24834, 31104, 33112, 37251, 49668, 66224, 74502, 99336, 111753, 132448, 149004, 198672, 223506, 264896, 298008, 335259, 397344, 447012, 529792, 596016, 670518, 794688, 894024, 1005777, 1192032, 1341036, 1589376, 1788048, 2011554, 2384064, 2682072, 3576096, 4023108, 4768128, 5364144, 7152192, 8046216, 10728288, 14304384, 16092432, 21456576, 32184864, 42913152, 64369728, 128739456]

約数ペア:

[(1, 128739456), (2, 64369728), (3, 42913152), (4, 32184864), (6, 21456576), (8, 16092432), (9, 14304384), (12, 10728288), (16, 8046216), (18, 7152192), (24, 5364144), (27, 4768128), (32, 4023108), (36, 3576096), (48, 2682072), (54, 2384064), (64, 2011554), (72, 1788048), (81, 1589376), (96, 1341036), (108, 1192032), (128, 1005777), (144, 894024), (162, 794688), (192, 670518), (216, 596016), (243, 529792), (288, 447012), (324, 397344), (384, 335259), (432, 298008), (486, 264896), (576, 223506), (648, 198672), (864, 149004), (972, 132448), (1152, 111753), (1296, 99336), (1728, 74502), (1944, 66224), (2592, 49668), (3456, 37251), (3888, 33112), (4139, 31104), (5184, 24834), (7776, 16556), (8278, 15552), (10368, 12417)]