210576780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{389957}}^1$

素因数の和:389975

約数の個数: 48

約数和(自身を含む): 655129440

約数和(自身を除く): 444552660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 389957, 779914, 1169871, 1559828, 1949785, 2339742, 3509613, 3899570, 4679484, 5849355, 7019226, 7799140, 10528839, 11698710, 14038452, 17548065, 21057678, 23397420, 35096130, 42115356, 52644195, 70192260, 105288390, 210576780]

約数ペア:

[(1, 210576780), (2, 105288390), (3, 70192260), (4, 52644195), (5, 42115356), (6, 35096130), (9, 23397420), (10, 21057678), (12, 17548065), (15, 14038452), (18, 11698710), (20, 10528839), (27, 7799140), (30, 7019226), (36, 5849355), (45, 4679484), (54, 3899570), (60, 3509613), (90, 2339742), (108, 1949785), (135, 1559828), (180, 1169871), (270, 779914), (540, 389957)]