138474560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61819}}^1$

素因数の和:61843

約数の個数: 56

約数和(自身を含む): 376854720

約数和(自身を除く): 238380160

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, 61819, 123638, 247276, 309095, 432733, 494552, 618190, 865466, 989104, 1236380, 1730932, 1978208, 2163665, 2472760, 3461864, 3956416, 4327330, 4945520, 6923728, 8654660, 9891040, 13847456, 17309320, 19782080, 27694912, 34618640, 69237280, 138474560]

約数ペア:

[(1, 138474560), (2, 69237280), (4, 34618640), (5, 27694912), (7, 19782080), (8, 17309320), (10, 13847456), (14, 9891040), (16, 8654660), (20, 6923728), (28, 4945520), (32, 4327330), (35, 3956416), (40, 3461864), (56, 2472760), (64, 2163665), (70, 1978208), (80, 1730932), (112, 1236380), (140, 989104), (160, 865466), (224, 618190), (280, 494552), (320, 432733), (448, 309095), (560, 247276), (1120, 123638), (2240, 61819)]