128322880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{57287}}^1$

素因数の和:57311

約数の個数: 56

約数和(自身を含む): 349227648

約数和(自身を除く): 220904768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 57287, 114574, 229148, 286435, 401009, 458296, 572870, 802018, 916592, 1145740, 1604036, 1833184, 2005045, 2291480, 3208072, 3666368, 4010090, 4582960, 6416144, 8020180, 9165920, 12832288, 16040360, 18331840, 25664576, 32080720, 64161440, 128322880]

約数ペア:

[(1, 128322880), (2, 64161440), (4, 32080720), (5, 25664576), (7, 18331840), (8, 16040360), (10, 12832288), (14, 9165920), (16, 8020180), (20, 6416144), (28, 4582960), (32, 4010090), (35, 3666368), (40, 3208072), (56, 2291480), (64, 2005045), (70, 1833184), (80, 1604036), (112, 1145740), (140, 916592), (160, 802018), (224, 572870), (280, 458296), (320, 401009), (448, 286435), (560, 229148), (1120, 114574), (2240, 57287)]