163908720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{227651}}^1$

素因数の和:227670

約数の個数: 60

約数和(自身を含む): 550462536

約数和(自身を除く): 386553816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 227651, 455302, 682953, 910604, 1138255, 1365906, 1821208, 2048859, 2276510, 2731812, 3414765, 3642416, 4097718, 4553020, 5463624, 6829530, 8195436, 9106040, 10244295, 10927248, 13659060, 16390872, 18212080, 20488590, 27318120, 32781744, 40977180, 54636240, 81954360, 163908720]

約数ペア:

[(1, 163908720), (2, 81954360), (3, 54636240), (4, 40977180), (5, 32781744), (6, 27318120), (8, 20488590), (9, 18212080), (10, 16390872), (12, 13659060), (15, 10927248), (16, 10244295), (18, 9106040), (20, 8195436), (24, 6829530), (30, 5463624), (36, 4553020), (40, 4097718), (45, 3642416), (48, 3414765), (60, 2731812), (72, 2276510), (80, 2048859), (90, 1821208), (120, 1365906), (144, 1138255), (180, 910604), (240, 682953), (360, 455302), (720, 227651)]