85287420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2381}}^1$

素因数の和:2595

約数の個数: 72

約数和(自身を含む): 260114400

約数和(自身を除く): 174826980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2381, 2388, 2985, 3582, 3980, 4762, 5970, 7143, 7164, 8955, 9524, 11905, 11940, 14286, 17910, 21429, 23810, 28572, 35715, 35820, 42858, 47620, 71430, 85716, 107145, 142860, 214290, 428580, 473819, 947638, 1421457, 1895276, 2369095, 2842914, 4264371, 4738190, 5685828, 7107285, 8528742, 9476380, 14214570, 17057484, 21321855, 28429140, 42643710, 85287420]

約数ペア:

[(1, 85287420), (2, 42643710), (3, 28429140), (4, 21321855), (5, 17057484), (6, 14214570), (9, 9476380), (10, 8528742), (12, 7107285), (15, 5685828), (18, 4738190), (20, 4264371), (30, 2842914), (36, 2369095), (45, 1895276), (60, 1421457), (90, 947638), (180, 473819), (199, 428580), (398, 214290), (597, 142860), (796, 107145), (995, 85716), (1194, 71430), (1791, 47620), (1990, 42858), (2381, 35820), (2388, 35715), (2985, 28572), (3582, 23810), (3980, 21429), (4762, 17910), (5970, 14286), (7143, 11940), (7164, 11905), (8955, 9524)]