128269600

素因数分解:

$2^5\times 5^2\times {\mathrm{223}}^1\times {\mathrm{719}}^1$

素因数の和:962

約数の個数: 72

約数和(自身を含む): 314979840

約数和(自身を除く): 186710240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 223, 400, 446, 719, 800, 892, 1115, 1438, 1784, 2230, 2876, 3568, 3595, 4460, 5575, 5752, 7136, 7190, 8920, 11150, 11504, 14380, 17840, 17975, 22300, 23008, 28760, 35680, 35950, 44600, 57520, 71900, 89200, 115040, 143800, 160337, 178400, 287600, 320674, 575200, 641348, 801685, 1282696, 1603370, 2565392, 3206740, 4008425, 5130784, 6413480, 8016850, 12826960, 16033700, 25653920, 32067400, 64134800, 128269600]

約数ペア:

[(1, 128269600), (2, 64134800), (4, 32067400), (5, 25653920), (8, 16033700), (10, 12826960), (16, 8016850), (20, 6413480), (25, 5130784), (32, 4008425), (40, 3206740), (50, 2565392), (80, 1603370), (100, 1282696), (160, 801685), (200, 641348), (223, 575200), (400, 320674), (446, 287600), (719, 178400), (800, 160337), (892, 143800), (1115, 115040), (1438, 89200), (1784, 71900), (2230, 57520), (2876, 44600), (3568, 35950), (3595, 35680), (4460, 28760), (5575, 23008), (5752, 22300), (7136, 17975), (7190, 17840), (8920, 14380), (11150, 11504)]