204895320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{691}}^1$

素因数の和:1065

約数の個数: 128

約数和(自身を含む): 705507840

約数和(自身を除く): 500612520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 353, 420, 691, 706, 840, 1059, 1382, 1412, 1765, 2073, 2118, 2471, 2764, 2824, 3455, 3530, 4146, 4236, 4837, 4942, 5295, 5528, 6910, 7060, 7413, 8292, 8472, 9674, 9884, 10365, 10590, 12355, 13820, 14120, 14511, 14826, 16584, 19348, 19768, 20730, 21180, 24185, 24710, 27640, 29022, 29652, 37065, 38696, 41460, 42360, 48370, 49420, 58044, 59304, 72555, 74130, 82920, 96740, 98840, 116088, 145110, 148260, 193480, 243923, 290220, 296520, 487846, 580440, 731769, 975692, 1219615, 1463538, 1707461, 1951384, 2439230, 2927076, 3414922, 3658845, 4878460, 5122383, 5854152, 6829844, 7317690, 8537305, 9756920, 10244766, 13659688, 14635380, 17074610, 20489532, 25611915, 29270760, 34149220, 40979064, 51223830, 68298440, 102447660, 204895320]

約数ペア:

[(1, 204895320), (2, 102447660), (3, 68298440), (4, 51223830), (5, 40979064), (6, 34149220), (7, 29270760), (8, 25611915), (10, 20489532), (12, 17074610), (14, 14635380), (15, 13659688), (20, 10244766), (21, 9756920), (24, 8537305), (28, 7317690), (30, 6829844), (35, 5854152), (40, 5122383), (42, 4878460), (56, 3658845), (60, 3414922), (70, 2927076), (84, 2439230), (105, 1951384), (120, 1707461), (140, 1463538), (168, 1219615), (210, 975692), (280, 731769), (353, 580440), (420, 487846), (691, 296520), (706, 290220), (840, 243923), (1059, 193480), (1382, 148260), (1412, 145110), (1765, 116088), (2073, 98840), (2118, 96740), (2471, 82920), (2764, 74130), (2824, 72555), (3455, 59304), (3530, 58044), (4146, 49420), (4236, 48370), (4837, 42360), (4942, 41460), (5295, 38696), (5528, 37065), (6910, 29652), (7060, 29022), (7413, 27640), (8292, 24710), (8472, 24185), (9674, 21180), (9884, 20730), (10365, 19768), (10590, 19348), (12355, 16584), (13820, 14826), (14120, 14511)]