15123020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1297}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 35326368

約数和(自身を除く): 20203348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1297, 2332, 2594, 2915, 5188, 5830, 6485, 11660, 12970, 14267, 25940, 28534, 57068, 68741, 71335, 137482, 142670, 274964, 285340, 343705, 687410, 756151, 1374820, 1512302, 3024604, 3780755, 7561510, 15123020]

約数ペア:

[(1, 15123020), (2, 7561510), (4, 3780755), (5, 3024604), (10, 1512302), (11, 1374820), (20, 756151), (22, 687410), (44, 343705), (53, 285340), (55, 274964), (106, 142670), (110, 137482), (212, 71335), (220, 68741), (265, 57068), (530, 28534), (583, 25940), (1060, 14267), (1166, 12970), (1297, 11660), (2332, 6485), (2594, 5830), (2915, 5188)]