215774820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{399583}}^1$

素因数の和:399601

約数の個数: 48

約数和(自身を含む): 671301120

約数和(自身を除く): 455526300

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, 399583, 799166, 1198749, 1598332, 1997915, 2397498, 3596247, 3995830, 4794996, 5993745, 7192494, 7991660, 10788741, 11987490, 14384988, 17981235, 21577482, 23974980, 35962470, 43154964, 53943705, 71924940, 107887410, 215774820]

約数ペア:

[(1, 215774820), (2, 107887410), (3, 71924940), (4, 53943705), (5, 43154964), (6, 35962470), (9, 23974980), (10, 21577482), (12, 17981235), (15, 14384988), (18, 11987490), (20, 10788741), (27, 7991660), (30, 7192494), (36, 5993745), (45, 4794996), (54, 3995830), (60, 3596247), (90, 2397498), (108, 1997915), (135, 1598332), (180, 1198749), (270, 799166), (540, 399583)]