881431380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1747}}^1\times {\mathrm{2803}}^1$

素因数の和:4565

約数の個数: 72

約数和(自身を含む): 2676160032

約数和(自身を除く): 1794728652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1747, 2803, 3494, 5241, 5606, 6988, 8409, 8735, 10482, 11212, 14015, 15723, 16818, 17470, 20964, 25227, 26205, 28030, 31446, 33636, 34940, 42045, 50454, 52410, 56060, 62892, 78615, 84090, 100908, 104820, 126135, 157230, 168180, 252270, 314460, 504540, 4896841, 9793682, 14690523, 19587364, 24484205, 29381046, 44071569, 48968410, 58762092, 73452615, 88143138, 97936820, 146905230, 176286276, 220357845, 293810460, 440715690, 881431380]

約数ペア:

[(1, 881431380), (2, 440715690), (3, 293810460), (4, 220357845), (5, 176286276), (6, 146905230), (9, 97936820), (10, 88143138), (12, 73452615), (15, 58762092), (18, 48968410), (20, 44071569), (30, 29381046), (36, 24484205), (45, 19587364), (60, 14690523), (90, 9793682), (180, 4896841), (1747, 504540), (2803, 314460), (3494, 252270), (5241, 168180), (5606, 157230), (6988, 126135), (8409, 104820), (8735, 100908), (10482, 84090), (11212, 78615), (14015, 62892), (15723, 56060), (16818, 52410), (17470, 50454), (20964, 42045), (25227, 34940), (26205, 33636), (28030, 31446)]