82857420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{479}}^1$

素因数の和:556

約数の個数: 108

約数和(自身を含む): 260245440

約数和(自身を除く): 177388020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 479, 558, 620, 930, 958, 961, 1116, 1395, 1437, 1860, 1916, 1922, 2395, 2790, 2874, 2883, 3844, 4311, 4790, 4805, 5580, 5748, 5766, 7185, 8622, 8649, 9580, 9610, 11532, 14370, 14415, 14849, 17244, 17298, 19220, 21555, 28740, 28830, 29698, 34596, 43110, 43245, 44547, 57660, 59396, 74245, 86220, 86490, 89094, 133641, 148490, 172980, 178188, 222735, 267282, 296980, 445470, 460319, 534564, 668205, 890940, 920638, 1336410, 1380957, 1841276, 2301595, 2672820, 2761914, 4142871, 4603190, 5523828, 6904785, 8285742, 9206380, 13809570, 16571484, 20714355, 27619140, 41428710, 82857420]

約数ペア:

[(1, 82857420), (2, 41428710), (3, 27619140), (4, 20714355), (5, 16571484), (6, 13809570), (9, 9206380), (10, 8285742), (12, 6904785), (15, 5523828), (18, 4603190), (20, 4142871), (30, 2761914), (31, 2672820), (36, 2301595), (45, 1841276), (60, 1380957), (62, 1336410), (90, 920638), (93, 890940), (124, 668205), (155, 534564), (180, 460319), (186, 445470), (279, 296980), (310, 267282), (372, 222735), (465, 178188), (479, 172980), (558, 148490), (620, 133641), (930, 89094), (958, 86490), (961, 86220), (1116, 74245), (1395, 59396), (1437, 57660), (1860, 44547), (1916, 43245), (1922, 43110), (2395, 34596), (2790, 29698), (2874, 28830), (2883, 28740), (3844, 21555), (4311, 19220), (4790, 17298), (4805, 17244), (5580, 14849), (5748, 14415), (5766, 14370), (7185, 11532), (8622, 9610), (8649, 9580)]