15678972

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 41496000

約数和(自身を除く): 25817028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 79, 111, 148, 149, 158, 222, 237, 298, 316, 333, 444, 447, 474, 596, 666, 711, 894, 948, 1332, 1341, 1422, 1788, 2682, 2844, 2923, 5364, 5513, 5846, 8769, 11026, 11692, 11771, 16539, 17538, 22052, 23542, 26307, 33078, 35076, 35313, 47084, 49617, 52614, 66156, 70626, 99234, 105228, 105939, 141252, 198468, 211878, 423756, 435527, 871054, 1306581, 1742108, 2613162, 3919743, 5226324, 7839486, 15678972]

約数ペア:

[(1, 15678972), (2, 7839486), (3, 5226324), (4, 3919743), (6, 2613162), (9, 1742108), (12, 1306581), (18, 871054), (36, 435527), (37, 423756), (74, 211878), (79, 198468), (111, 141252), (148, 105939), (149, 105228), (158, 99234), (222, 70626), (237, 66156), (298, 52614), (316, 49617), (333, 47084), (444, 35313), (447, 35076), (474, 33078), (596, 26307), (666, 23542), (711, 22052), (894, 17538), (948, 16539), (1332, 11771), (1341, 11692), (1422, 11026), (1788, 8769), (2682, 5846), (2844, 5513), (2923, 5364)]