138165440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61681}}^1$

素因数の和:61705

約数の個数: 56

約数和(自身を含む): 376013472

約数和(自身を除く): 237848032

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, 61681, 123362, 246724, 308405, 431767, 493448, 616810, 863534, 986896, 1233620, 1727068, 1973792, 2158835, 2467240, 3454136, 3947584, 4317670, 4934480, 6908272, 8635340, 9868960, 13816544, 17270680, 19737920, 27633088, 34541360, 69082720, 138165440]

約数ペア:

[(1, 138165440), (2, 69082720), (4, 34541360), (5, 27633088), (7, 19737920), (8, 17270680), (10, 13816544), (14, 9868960), (16, 8635340), (20, 6908272), (28, 4934480), (32, 4317670), (35, 3947584), (40, 3454136), (56, 2467240), (64, 2158835), (70, 1973792), (80, 1727068), (112, 1233620), (140, 986896), (160, 863534), (224, 616810), (280, 493448), (320, 431767), (448, 308405), (560, 246724), (1120, 123362), (2240, 61681)]