395316540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{1493}}^1$

素因数の和:2979

約数の個数: 72

約数和(自身を含む): 1200745728

約数和(自身を除く): 805429188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1471, 1493, 2942, 2986, 4413, 4479, 5884, 5972, 7355, 7465, 8826, 8958, 13239, 13437, 14710, 14930, 17652, 17916, 22065, 22395, 26478, 26874, 29420, 29860, 44130, 44790, 52956, 53748, 66195, 67185, 88260, 89580, 132390, 134370, 264780, 268740, 2196203, 4392406, 6588609, 8784812, 10981015, 13177218, 19765827, 21962030, 26354436, 32943045, 39531654, 43924060, 65886090, 79063308, 98829135, 131772180, 197658270, 395316540]

約数ペア:

[(1, 395316540), (2, 197658270), (3, 131772180), (4, 98829135), (5, 79063308), (6, 65886090), (9, 43924060), (10, 39531654), (12, 32943045), (15, 26354436), (18, 21962030), (20, 19765827), (30, 13177218), (36, 10981015), (45, 8784812), (60, 6588609), (90, 4392406), (180, 2196203), (1471, 268740), (1493, 264780), (2942, 134370), (2986, 132390), (4413, 89580), (4479, 88260), (5884, 67185), (5972, 66195), (7355, 53748), (7465, 52956), (8826, 44790), (8958, 44130), (13239, 29860), (13437, 29420), (14710, 26874), (14930, 26478), (17652, 22395), (17916, 22065)]