15405540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2647}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 43596672

約数和(自身を除く): 28191132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2647, 2910, 5294, 5820, 7941, 10588, 13235, 15882, 26470, 31764, 39705, 52940, 79410, 158820, 256759, 513518, 770277, 1027036, 1283795, 1540554, 2567590, 3081108, 3851385, 5135180, 7702770, 15405540]

約数ペア:

[(1, 15405540), (2, 7702770), (3, 5135180), (4, 3851385), (5, 3081108), (6, 2567590), (10, 1540554), (12, 1283795), (15, 1027036), (20, 770277), (30, 513518), (60, 256759), (97, 158820), (194, 79410), (291, 52940), (388, 39705), (485, 31764), (582, 26470), (970, 15882), (1164, 13235), (1455, 10588), (1940, 7941), (2647, 5820), (2910, 5294)]