87858180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1019}}^1$

素因数の和:1513

約数の個数: 72

約数和(自身を含む): 267321600

約数和(自身を除く): 179463420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1019, 1437, 1916, 2038, 2395, 2874, 3057, 4076, 4311, 4790, 5095, 5748, 6114, 7185, 8622, 9171, 9580, 10190, 12228, 14370, 15285, 17244, 18342, 20380, 21555, 28740, 30570, 36684, 43110, 45855, 61140, 86220, 91710, 183420, 488101, 976202, 1464303, 1952404, 2440505, 2928606, 4392909, 4881010, 5857212, 7321515, 8785818, 9762020, 14643030, 17571636, 21964545, 29286060, 43929090, 87858180]

約数ペア:

[(1, 87858180), (2, 43929090), (3, 29286060), (4, 21964545), (5, 17571636), (6, 14643030), (9, 9762020), (10, 8785818), (12, 7321515), (15, 5857212), (18, 4881010), (20, 4392909), (30, 2928606), (36, 2440505), (45, 1952404), (60, 1464303), (90, 976202), (180, 488101), (479, 183420), (958, 91710), (1019, 86220), (1437, 61140), (1916, 45855), (2038, 43110), (2395, 36684), (2874, 30570), (3057, 28740), (4076, 21555), (4311, 20380), (4790, 18342), (5095, 17244), (5748, 15285), (6114, 14370), (7185, 12228), (8622, 10190), (9171, 9580)]