15108940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9811}}^1$

素因数の和:9838

約数の個数: 48

約数和(自身を含む): 39561984

約数和(自身を除く): 24453044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 9811, 19622, 39244, 49055, 68677, 98110, 107921, 137354, 196220, 215842, 274708, 343385, 431684, 539605, 686770, 755447, 1079210, 1373540, 1510894, 2158420, 3021788, 3777235, 7554470, 15108940]

約数ペア:

[(1, 15108940), (2, 7554470), (4, 3777235), (5, 3021788), (7, 2158420), (10, 1510894), (11, 1373540), (14, 1079210), (20, 755447), (22, 686770), (28, 539605), (35, 431684), (44, 343385), (55, 274708), (70, 215842), (77, 196220), (110, 137354), (140, 107921), (154, 98110), (220, 68677), (308, 49055), (385, 39244), (770, 19622), (1540, 9811)]