89910180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1093}}^1$

素因数の和:1565

約数の個数: 72

約数和(自身を含む): 273574392

約数和(自身を除く): 183664212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 914, 1093, 1371, 1828, 2186, 2285, 2742, 3279, 4113, 4372, 4570, 5465, 5484, 6558, 6855, 8226, 9140, 9837, 10930, 13116, 13710, 16395, 16452, 19674, 20565, 21860, 27420, 32790, 39348, 41130, 49185, 65580, 82260, 98370, 196740, 499501, 999002, 1498503, 1998004, 2497505, 2997006, 4495509, 4995010, 5994012, 7492515, 8991018, 9990020, 14985030, 17982036, 22477545, 29970060, 44955090, 89910180]

約数ペア:

[(1, 89910180), (2, 44955090), (3, 29970060), (4, 22477545), (5, 17982036), (6, 14985030), (9, 9990020), (10, 8991018), (12, 7492515), (15, 5994012), (18, 4995010), (20, 4495509), (30, 2997006), (36, 2497505), (45, 1998004), (60, 1498503), (90, 999002), (180, 499501), (457, 196740), (914, 98370), (1093, 82260), (1371, 65580), (1828, 49185), (2186, 41130), (2285, 39348), (2742, 32790), (3279, 27420), (4113, 21860), (4372, 20565), (4570, 19674), (5465, 16452), (5484, 16395), (6558, 13710), (6855, 13116), (8226, 10930), (9140, 9837)]