81865620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151603}}^1$

素因数の和:151621

約数の個数: 48

約数和(自身を含む): 254694720

約数和(自身を除く): 172829100

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, 151603, 303206, 454809, 606412, 758015, 909618, 1364427, 1516030, 1819236, 2274045, 2728854, 3032060, 4093281, 4548090, 5457708, 6822135, 8186562, 9096180, 13644270, 16373124, 20466405, 27288540, 40932810, 81865620]

約数ペア:

[(1, 81865620), (2, 40932810), (3, 27288540), (4, 20466405), (5, 16373124), (6, 13644270), (9, 9096180), (10, 8186562), (12, 6822135), (15, 5457708), (18, 4548090), (20, 4093281), (27, 3032060), (30, 2728854), (36, 2274045), (45, 1819236), (54, 1516030), (60, 1364427), (90, 909618), (108, 758015), (135, 606412), (180, 454809), (270, 303206), (540, 151603)]