251258220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{465293}}^1$

素因数の和:465311

約数の個数: 48

約数和(自身を含む): 781693920

約数和(自身を除く): 530435700

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, 465293, 930586, 1395879, 1861172, 2326465, 2791758, 4187637, 4652930, 5583516, 6979395, 8375274, 9305860, 12562911, 13958790, 16750548, 20938185, 25125822, 27917580, 41876370, 50251644, 62814555, 83752740, 125629110, 251258220]

約数ペア:

[(1, 251258220), (2, 125629110), (3, 83752740), (4, 62814555), (5, 50251644), (6, 41876370), (9, 27917580), (10, 25125822), (12, 20938185), (15, 16750548), (18, 13958790), (20, 12562911), (27, 9305860), (30, 8375274), (36, 6979395), (45, 5583516), (54, 4652930), (60, 4187637), (90, 2791758), (108, 2326465), (135, 1861172), (180, 1395879), (270, 930586), (540, 465293)]