157431680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{35141}}^1$

素因数の和:35167

約数の個数: 64

約数和(自身を含む): 430138080

約数和(自身を除く): 272706400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 35141, 70282, 140564, 175705, 245987, 281128, 351410, 491974, 562256, 702820, 983948, 1124512, 1229935, 1405640, 1967896, 2249024, 2459870, 2811280, 3935792, 4498048, 4919740, 5622560, 7871584, 9839480, 11245120, 15743168, 19678960, 22490240, 31486336, 39357920, 78715840, 157431680]

約数ペア:

[(1, 157431680), (2, 78715840), (4, 39357920), (5, 31486336), (7, 22490240), (8, 19678960), (10, 15743168), (14, 11245120), (16, 9839480), (20, 7871584), (28, 5622560), (32, 4919740), (35, 4498048), (40, 3935792), (56, 2811280), (64, 2459870), (70, 2249024), (80, 1967896), (112, 1405640), (128, 1229935), (140, 1124512), (160, 983948), (224, 702820), (280, 562256), (320, 491974), (448, 351410), (560, 281128), (640, 245987), (896, 175705), (1120, 140564), (2240, 70282), (4480, 35141)]