180065680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 434257920

約数和(自身を除く): 254192240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 127, 148, 185, 254, 296, 370, 479, 508, 592, 635, 740, 958, 1016, 1270, 1480, 1916, 2032, 2395, 2540, 2960, 3832, 4699, 4790, 5080, 7664, 9398, 9580, 10160, 17723, 18796, 19160, 23495, 35446, 37592, 38320, 46990, 60833, 70892, 75184, 88615, 93980, 121666, 141784, 177230, 187960, 243332, 283568, 304165, 354460, 375920, 486664, 608330, 708920, 973328, 1216660, 1417840, 2250821, 2433320, 4501642, 4866640, 9003284, 11254105, 18006568, 22508210, 36013136, 45016420, 90032840, 180065680]

約数ペア:

[(1, 180065680), (2, 90032840), (4, 45016420), (5, 36013136), (8, 22508210), (10, 18006568), (16, 11254105), (20, 9003284), (37, 4866640), (40, 4501642), (74, 2433320), (80, 2250821), (127, 1417840), (148, 1216660), (185, 973328), (254, 708920), (296, 608330), (370, 486664), (479, 375920), (508, 354460), (592, 304165), (635, 283568), (740, 243332), (958, 187960), (1016, 177230), (1270, 141784), (1480, 121666), (1916, 93980), (2032, 88615), (2395, 75184), (2540, 70892), (2960, 60833), (3832, 46990), (4699, 38320), (4790, 37592), (5080, 35446), (7664, 23495), (9398, 19160), (9580, 18796), (10160, 17723)]