15309860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 34990704

約数和(自身を除く): 19680844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1217, 1258, 2434, 2516, 3145, 4868, 6085, 6290, 12170, 12580, 20689, 24340, 41378, 45029, 82756, 90058, 103445, 180116, 206890, 225145, 413780, 450290, 765493, 900580, 1530986, 3061972, 3827465, 7654930, 15309860]

約数ペア:

[(1, 15309860), (2, 7654930), (4, 3827465), (5, 3061972), (10, 1530986), (17, 900580), (20, 765493), (34, 450290), (37, 413780), (68, 225145), (74, 206890), (85, 180116), (148, 103445), (170, 90058), (185, 82756), (340, 45029), (370, 41378), (629, 24340), (740, 20689), (1217, 12580), (1258, 12170), (2434, 6290), (2516, 6085), (3145, 4868)]