2158124920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{16091}}^1$

素因数の和:16588

約数の個数: 64

約数和(自身を含む): 5561395200

約数和(自身を除く): 3403270280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 479, 958, 1916, 2395, 3353, 3832, 4790, 6706, 9580, 13412, 16091, 16765, 19160, 26824, 32182, 33530, 64364, 67060, 80455, 112637, 128728, 134120, 160910, 225274, 321820, 450548, 563185, 643640, 901096, 1126370, 2252740, 4505480, 7707589, 15415178, 30830356, 38537945, 53953123, 61660712, 77075890, 107906246, 154151780, 215812492, 269765615, 308303560, 431624984, 539531230, 1079062460, 2158124920]

約数ペア:

[(1, 2158124920), (2, 1079062460), (4, 539531230), (5, 431624984), (7, 308303560), (8, 269765615), (10, 215812492), (14, 154151780), (20, 107906246), (28, 77075890), (35, 61660712), (40, 53953123), (56, 38537945), (70, 30830356), (140, 15415178), (280, 7707589), (479, 4505480), (958, 2252740), (1916, 1126370), (2395, 901096), (3353, 643640), (3832, 563185), (4790, 450548), (6706, 321820), (9580, 225274), (13412, 160910), (16091, 134120), (16765, 128728), (19160, 112637), (26824, 80455), (32182, 67060), (33530, 64364)]