19400880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:598

約数の個数: 80

約数和(自身を含む): 60576480

約数和(自身を除く): 41175600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 229, 240, 353, 458, 687, 706, 916, 1059, 1145, 1374, 1412, 1765, 1832, 2118, 2290, 2748, 2824, 3435, 3530, 3664, 4236, 4580, 5295, 5496, 5648, 6870, 7060, 8472, 9160, 10590, 10992, 13740, 14120, 16944, 18320, 21180, 27480, 28240, 42360, 54960, 80837, 84720, 161674, 242511, 323348, 404185, 485022, 646696, 808370, 970044, 1212555, 1293392, 1616740, 1940088, 2425110, 3233480, 3880176, 4850220, 6466960, 9700440, 19400880]

約数ペア:

[(1, 19400880), (2, 9700440), (3, 6466960), (4, 4850220), (5, 3880176), (6, 3233480), (8, 2425110), (10, 1940088), (12, 1616740), (15, 1293392), (16, 1212555), (20, 970044), (24, 808370), (30, 646696), (40, 485022), (48, 404185), (60, 323348), (80, 242511), (120, 161674), (229, 84720), (240, 80837), (353, 54960), (458, 42360), (687, 28240), (706, 27480), (916, 21180), (1059, 18320), (1145, 16944), (1374, 14120), (1412, 13740), (1765, 10992), (1832, 10590), (2118, 9160), (2290, 8472), (2748, 7060), (2824, 6870), (3435, 5648), (3530, 5496), (3664, 5295), (4236, 4580)]