157795120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281777}}^1$

素因数の和:281797

約数の個数: 40

約数和(自身を含む): 419285664

約数和(自身を除く): 261490544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 281777, 563554, 1127108, 1408885, 1972439, 2254216, 2817770, 3944878, 4508432, 5635540, 7889756, 9862195, 11271080, 15779512, 19724390, 22542160, 31559024, 39448780, 78897560, 157795120]

約数ペア:

[(1, 157795120), (2, 78897560), (4, 39448780), (5, 31559024), (7, 22542160), (8, 19724390), (10, 15779512), (14, 11271080), (16, 9862195), (20, 7889756), (28, 5635540), (35, 4508432), (40, 3944878), (56, 2817770), (70, 2254216), (80, 1972439), (112, 1408885), (140, 1127108), (280, 563554), (560, 281777)]