15781320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1$

素因数の和:819

約数の個数: 96

約数和(自身を含む): 52228800

約数和(自身を除く): 36447480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 59, 60, 72, 90, 118, 120, 177, 180, 236, 295, 354, 360, 472, 531, 590, 708, 743, 885, 1062, 1180, 1416, 1486, 1770, 2124, 2229, 2360, 2655, 2972, 3540, 3715, 4248, 4458, 5310, 5944, 6687, 7080, 7430, 8916, 10620, 11145, 13374, 14860, 17832, 21240, 22290, 26748, 29720, 33435, 43837, 44580, 53496, 66870, 87674, 89160, 131511, 133740, 175348, 219185, 263022, 267480, 350696, 394533, 438370, 526044, 657555, 789066, 876740, 1052088, 1315110, 1578132, 1753480, 1972665, 2630220, 3156264, 3945330, 5260440, 7890660, 15781320]

約数ペア:

[(1, 15781320), (2, 7890660), (3, 5260440), (4, 3945330), (5, 3156264), (6, 2630220), (8, 1972665), (9, 1753480), (10, 1578132), (12, 1315110), (15, 1052088), (18, 876740), (20, 789066), (24, 657555), (30, 526044), (36, 438370), (40, 394533), (45, 350696), (59, 267480), (60, 263022), (72, 219185), (90, 175348), (118, 133740), (120, 131511), (177, 89160), (180, 87674), (236, 66870), (295, 53496), (354, 44580), (360, 43837), (472, 33435), (531, 29720), (590, 26748), (708, 22290), (743, 21240), (885, 17832), (1062, 14860), (1180, 13374), (1416, 11145), (1486, 10620), (1770, 8916), (2124, 7430), (2229, 7080), (2360, 6687), (2655, 5944), (2972, 5310), (3540, 4458), (3715, 4248)]