189447840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131561}}^1$

素因数の和:131582

約数の個数: 72

約数和(自身を含む): 646495668

約数和(自身を除く): 457047828

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 131561, 263122, 394683, 526244, 657805, 789366, 1052488, 1184049, 1315610, 1578732, 1973415, 2104976, 2368098, 2631220, 3157464, 3946830, 4209952, 4736196, 5262440, 5920245, 6314928, 7893660, 9472392, 10524880, 11840490, 12629856, 15787320, 18944784, 21049760, 23680980, 31574640, 37889568, 47361960, 63149280, 94723920, 189447840]

約数ペア:

[(1, 189447840), (2, 94723920), (3, 63149280), (4, 47361960), (5, 37889568), (6, 31574640), (8, 23680980), (9, 21049760), (10, 18944784), (12, 15787320), (15, 12629856), (16, 11840490), (18, 10524880), (20, 9472392), (24, 7893660), (30, 6314928), (32, 5920245), (36, 5262440), (40, 4736196), (45, 4209952), (48, 3946830), (60, 3157464), (72, 2631220), (80, 2368098), (90, 2104976), (96, 1973415), (120, 1578732), (144, 1315610), (160, 1184049), (180, 1052488), (240, 789366), (288, 657805), (360, 526244), (480, 394683), (720, 263122), (1440, 131561)]