72693040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 194273280

約数和(自身を除く): 121580240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 479, 542, 560, 958, 1084, 1355, 1897, 1916, 2168, 2395, 2710, 3353, 3794, 3832, 4336, 4790, 5420, 6706, 7588, 7664, 9485, 9580, 10840, 13412, 15176, 16765, 18970, 19160, 21680, 26824, 30352, 33530, 37940, 38320, 53648, 67060, 75880, 129809, 134120, 151760, 259618, 268240, 519236, 649045, 908663, 1038472, 1298090, 1817326, 2076944, 2596180, 3634652, 4543315, 5192360, 7269304, 9086630, 10384720, 14538608, 18173260, 36346520, 72693040]

約数ペア:

[(1, 72693040), (2, 36346520), (4, 18173260), (5, 14538608), (7, 10384720), (8, 9086630), (10, 7269304), (14, 5192360), (16, 4543315), (20, 3634652), (28, 2596180), (35, 2076944), (40, 1817326), (56, 1298090), (70, 1038472), (80, 908663), (112, 649045), (140, 519236), (271, 268240), (280, 259618), (479, 151760), (542, 134120), (560, 129809), (958, 75880), (1084, 67060), (1355, 53648), (1897, 38320), (1916, 37940), (2168, 33530), (2395, 30352), (2710, 26824), (3353, 21680), (3794, 19160), (3832, 18970), (4336, 16765), (4790, 15176), (5420, 13412), (6706, 10840), (7588, 9580), (7664, 9485)]