15691280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1621}}^1$

素因数の和:1656

約数の個数: 60

約数和(自身を含む): 40125036

約数和(自身を除く): 24433756

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1621, 1936, 2420, 3242, 4840, 6484, 8105, 9680, 12968, 16210, 17831, 25936, 32420, 35662, 64840, 71324, 89155, 129680, 142648, 178310, 196141, 285296, 356620, 392282, 713240, 784564, 980705, 1426480, 1569128, 1961410, 3138256, 3922820, 7845640, 15691280]

約数ペア:

[(1, 15691280), (2, 7845640), (4, 3922820), (5, 3138256), (8, 1961410), (10, 1569128), (11, 1426480), (16, 980705), (20, 784564), (22, 713240), (40, 392282), (44, 356620), (55, 285296), (80, 196141), (88, 178310), (110, 142648), (121, 129680), (176, 89155), (220, 71324), (242, 64840), (440, 35662), (484, 32420), (605, 25936), (880, 17831), (968, 16210), (1210, 12968), (1621, 9680), (1936, 8105), (2420, 6484), (3242, 4840)]