640756224

素因数分解:

$2^9\times 3^3\times {\mathrm{46351}}^1$

素因数の和:46378

約数の個数: 80

約数和(自身を含む): 1896723840

約数和(自身を除く): 1255967616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1152, 1536, 1728, 2304, 3456, 4608, 6912, 13824, 46351, 92702, 139053, 185404, 278106, 370808, 417159, 556212, 741616, 834318, 1112424, 1251477, 1483232, 1668636, 2224848, 2502954, 2966464, 3337272, 4449696, 5005908, 5932928, 6674544, 8899392, 10011816, 11865856, 13349088, 17798784, 20023632, 23731712, 26698176, 35597568, 40047264, 53396352, 71195136, 80094528, 106792704, 160189056, 213585408, 320378112, 640756224]

約数ペア:

[(1, 640756224), (2, 320378112), (3, 213585408), (4, 160189056), (6, 106792704), (8, 80094528), (9, 71195136), (12, 53396352), (16, 40047264), (18, 35597568), (24, 26698176), (27, 23731712), (32, 20023632), (36, 17798784), (48, 13349088), (54, 11865856), (64, 10011816), (72, 8899392), (96, 6674544), (108, 5932928), (128, 5005908), (144, 4449696), (192, 3337272), (216, 2966464), (256, 2502954), (288, 2224848), (384, 1668636), (432, 1483232), (512, 1251477), (576, 1112424), (768, 834318), (864, 741616), (1152, 556212), (1536, 417159), (1728, 370808), (2304, 278106), (3456, 185404), (4608, 139053), (6912, 92702), (13824, 46351)]