1285202580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21420043}}^1$

素因数の和:21420055

約数の個数: 24

約数和(自身を含む): 3598567392

約数和(自身を除く): 2313364812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21420043, 42840086, 64260129, 85680172, 107100215, 128520258, 214200430, 257040516, 321300645, 428400860, 642601290, 1285202580]

約数ペア:

[(1, 1285202580), (2, 642601290), (3, 428400860), (4, 321300645), (5, 257040516), (6, 214200430), (10, 128520258), (12, 107100215), (15, 85680172), (20, 64260129), (30, 42840086), (60, 21420043)]