18164280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 54813600

約数和(自身を除く): 36649320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 661, 687, 916, 1145, 1322, 1374, 1832, 1983, 2290, 2644, 2748, 3305, 3435, 3966, 4580, 5288, 5496, 6610, 6870, 7932, 9160, 9915, 13220, 13740, 15864, 19830, 26440, 27480, 39660, 79320, 151369, 302738, 454107, 605476, 756845, 908214, 1210952, 1513690, 1816428, 2270535, 3027380, 3632856, 4541070, 6054760, 9082140, 18164280]

約数ペア:

[(1, 18164280), (2, 9082140), (3, 6054760), (4, 4541070), (5, 3632856), (6, 3027380), (8, 2270535), (10, 1816428), (12, 1513690), (15, 1210952), (20, 908214), (24, 756845), (30, 605476), (40, 454107), (60, 302738), (120, 151369), (229, 79320), (458, 39660), (661, 27480), (687, 26440), (916, 19830), (1145, 15864), (1322, 13740), (1374, 13220), (1832, 9915), (1983, 9160), (2290, 7932), (2644, 6870), (2748, 6610), (3305, 5496), (3435, 5288), (3966, 4580)]