128361520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229217}}^1$

素因数の和:229237

約数の個数: 40

約数和(自身を含む): 341076384

約数和(自身を除く): 212714864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 229217, 458434, 916868, 1146085, 1604519, 1833736, 2292170, 3209038, 3667472, 4584340, 6418076, 8022595, 9168680, 12836152, 16045190, 18337360, 25672304, 32090380, 64180760, 128361520]

約数ペア:

[(1, 128361520), (2, 64180760), (4, 32090380), (5, 25672304), (7, 18337360), (8, 16045190), (10, 12836152), (14, 9168680), (16, 8022595), (20, 6418076), (28, 4584340), (35, 3667472), (40, 3209038), (56, 2292170), (70, 1833736), (80, 1604519), (112, 1146085), (140, 916868), (280, 458434), (560, 229217)]