71533520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 172770192

約数和(自身を除く): 101236672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 113, 164, 193, 205, 226, 328, 386, 410, 452, 565, 656, 772, 820, 904, 965, 1130, 1544, 1640, 1808, 1930, 2260, 3088, 3280, 3860, 4520, 4633, 7720, 7913, 9040, 9266, 15440, 15826, 18532, 21809, 23165, 31652, 37064, 39565, 43618, 46330, 63304, 74128, 79130, 87236, 92660, 109045, 126608, 158260, 174472, 185320, 218090, 316520, 348944, 370640, 436180, 633040, 872360, 894169, 1744720, 1788338, 3576676, 4470845, 7153352, 8941690, 14306704, 17883380, 35766760, 71533520]

約数ペア:

[(1, 71533520), (2, 35766760), (4, 17883380), (5, 14306704), (8, 8941690), (10, 7153352), (16, 4470845), (20, 3576676), (40, 1788338), (41, 1744720), (80, 894169), (82, 872360), (113, 633040), (164, 436180), (193, 370640), (205, 348944), (226, 316520), (328, 218090), (386, 185320), (410, 174472), (452, 158260), (565, 126608), (656, 109045), (772, 92660), (820, 87236), (904, 79130), (965, 74128), (1130, 63304), (1544, 46330), (1640, 43618), (1808, 39565), (1930, 37064), (2260, 31652), (3088, 23165), (3280, 21809), (3860, 18532), (4520, 15826), (4633, 15440), (7720, 9266), (7913, 9040)]