77131980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{142837}}^1$

素因数の和:142855

約数の個数: 48

約数和(自身を含む): 239967840

約数和(自身を除く): 162835860

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, 142837, 285674, 428511, 571348, 714185, 857022, 1285533, 1428370, 1714044, 2142555, 2571066, 2856740, 3856599, 4285110, 5142132, 6427665, 7713198, 8570220, 12855330, 15426396, 19282995, 25710660, 38565990, 77131980]

約数ペア:

[(1, 77131980), (2, 38565990), (3, 25710660), (4, 19282995), (5, 15426396), (6, 12855330), (9, 8570220), (10, 7713198), (12, 6427665), (15, 5142132), (18, 4285110), (20, 3856599), (27, 2856740), (30, 2571066), (36, 2142555), (45, 1714044), (54, 1428370), (60, 1285533), (90, 857022), (108, 714185), (135, 571348), (180, 428511), (270, 285674), (540, 142837)]