212328180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{51287}}^1$

素因数の和:51325

約数の個数: 72

約数和(自身を含む): 672077952

約数和(自身を除く): 459749772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 51287, 102574, 153861, 205148, 256435, 307722, 461583, 512870, 615444, 769305, 923166, 1025740, 1179601, 1538610, 1846332, 2307915, 2359202, 3077220, 3538803, 4615830, 4718404, 5898005, 7077606, 9231660, 10616409, 11796010, 14155212, 17694015, 21232818, 23592020, 35388030, 42465636, 53082045, 70776060, 106164090, 212328180]

約数ペア:

[(1, 212328180), (2, 106164090), (3, 70776060), (4, 53082045), (5, 42465636), (6, 35388030), (9, 23592020), (10, 21232818), (12, 17694015), (15, 14155212), (18, 11796010), (20, 10616409), (23, 9231660), (30, 7077606), (36, 5898005), (45, 4718404), (46, 4615830), (60, 3538803), (69, 3077220), (90, 2359202), (92, 2307915), (115, 1846332), (138, 1538610), (180, 1179601), (207, 1025740), (230, 923166), (276, 769305), (345, 615444), (414, 512870), (460, 461583), (690, 307722), (828, 256435), (1035, 205148), (1380, 153861), (2070, 102574), (4140, 51287)]