66511920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 206986752

約数和(自身を除く): 140474832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 431, 643, 862, 1286, 1293, 1724, 1929, 2155, 2572, 2586, 3215, 3448, 3858, 4310, 5144, 5172, 6430, 6465, 6896, 7716, 8620, 9645, 10288, 10344, 12860, 12930, 15432, 17240, 19290, 20688, 25720, 25860, 30864, 34480, 38580, 51440, 51720, 77160, 103440, 154320, 277133, 554266, 831399, 1108532, 1385665, 1662798, 2217064, 2771330, 3325596, 4156995, 4434128, 5542660, 6651192, 8313990, 11085320, 13302384, 16627980, 22170640, 33255960, 66511920]

約数ペア:

[(1, 66511920), (2, 33255960), (3, 22170640), (4, 16627980), (5, 13302384), (6, 11085320), (8, 8313990), (10, 6651192), (12, 5542660), (15, 4434128), (16, 4156995), (20, 3325596), (24, 2771330), (30, 2217064), (40, 1662798), (48, 1385665), (60, 1108532), (80, 831399), (120, 554266), (240, 277133), (431, 154320), (643, 103440), (862, 77160), (1286, 51720), (1293, 51440), (1724, 38580), (1929, 34480), (2155, 30864), (2572, 25860), (2586, 25720), (3215, 20688), (3448, 19290), (3858, 17240), (4310, 15432), (5144, 12930), (5172, 12860), (6430, 10344), (6465, 10288), (6896, 9645), (7716, 8620)]