138111680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61657}}^1$

素因数の和:61681

約数の個数: 56

約数和(自身を含む): 375867168

約数和(自身を除く): 237755488

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, 61657, 123314, 246628, 308285, 431599, 493256, 616570, 863198, 986512, 1233140, 1726396, 1973024, 2157995, 2466280, 3452792, 3946048, 4315990, 4932560, 6905584, 8631980, 9865120, 13811168, 17263960, 19730240, 27622336, 34527920, 69055840, 138111680]

約数ペア:

[(1, 138111680), (2, 69055840), (4, 34527920), (5, 27622336), (7, 19730240), (8, 17263960), (10, 13811168), (14, 9865120), (16, 8631980), (20, 6905584), (28, 4932560), (32, 4315990), (35, 3946048), (40, 3452792), (56, 2466280), (64, 2157995), (70, 1973024), (80, 1726396), (112, 1233140), (140, 986512), (160, 863198), (224, 616570), (280, 493256), (320, 431599), (448, 308285), (560, 246628), (1120, 123314), (2240, 61657)]