161020980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{298187}}^1$

素因数の和:298205

約数の個数: 48

約数和(自身を含む): 500955840

約数和(自身を除く): 339934860

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, 298187, 596374, 894561, 1192748, 1490935, 1789122, 2683683, 2981870, 3578244, 4472805, 5367366, 5963740, 8051049, 8945610, 10734732, 13418415, 16102098, 17891220, 26836830, 32204196, 40255245, 53673660, 80510490, 161020980]

約数ペア:

[(1, 161020980), (2, 80510490), (3, 53673660), (4, 40255245), (5, 32204196), (6, 26836830), (9, 17891220), (10, 16102098), (12, 13418415), (15, 10734732), (18, 8945610), (20, 8051049), (27, 5963740), (30, 5367366), (36, 4472805), (45, 3578244), (54, 2981870), (60, 2683683), (90, 1789122), (108, 1490935), (135, 1192748), (180, 894561), (270, 596374), (540, 298187)]