123208380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1429}}^1$

素因数の和:1923

約数の個数: 72

約数和(自身を含む): 374774400

約数和(自身を除く): 251566020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1429, 1437, 1916, 2395, 2858, 2874, 4287, 4311, 4790, 5716, 5748, 7145, 7185, 8574, 8622, 9580, 12861, 14290, 14370, 17148, 17244, 21435, 21555, 25722, 28580, 28740, 42870, 43110, 51444, 64305, 85740, 86220, 128610, 257220, 684491, 1368982, 2053473, 2737964, 3422455, 4106946, 6160419, 6844910, 8213892, 10267365, 12320838, 13689820, 20534730, 24641676, 30802095, 41069460, 61604190, 123208380]

約数ペア:

[(1, 123208380), (2, 61604190), (3, 41069460), (4, 30802095), (5, 24641676), (6, 20534730), (9, 13689820), (10, 12320838), (12, 10267365), (15, 8213892), (18, 6844910), (20, 6160419), (30, 4106946), (36, 3422455), (45, 2737964), (60, 2053473), (90, 1368982), (180, 684491), (479, 257220), (958, 128610), (1429, 86220), (1437, 85740), (1916, 64305), (2395, 51444), (2858, 43110), (2874, 42870), (4287, 28740), (4311, 28580), (4790, 25722), (5716, 21555), (5748, 21435), (7145, 17244), (7185, 17148), (8574, 14370), (8622, 14290), (9580, 12861)]