81334260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21517}}^1$

素因数の和:21542

約数の個数: 96

約数和(自身を含む): 289201920

約数和(自身を除く): 207867660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21517, 43034, 64551, 86068, 107585, 129102, 150619, 193653, 215170, 258204, 301238, 322755, 387306, 430340, 451857, 580959, 602476, 645510, 753095, 774612, 903714, 968265, 1161918, 1291020, 1355571, 1506190, 1807428, 1936530, 2259285, 2323836, 2711142, 2904795, 3012380, 3873060, 4066713, 4518570, 5422284, 5809590, 6777855, 8133426, 9037140, 11619180, 13555710, 16266852, 20333565, 27111420, 40667130, 81334260]

約数ペア:

[(1, 81334260), (2, 40667130), (3, 27111420), (4, 20333565), (5, 16266852), (6, 13555710), (7, 11619180), (9, 9037140), (10, 8133426), (12, 6777855), (14, 5809590), (15, 5422284), (18, 4518570), (20, 4066713), (21, 3873060), (27, 3012380), (28, 2904795), (30, 2711142), (35, 2323836), (36, 2259285), (42, 1936530), (45, 1807428), (54, 1506190), (60, 1355571), (63, 1291020), (70, 1161918), (84, 968265), (90, 903714), (105, 774612), (108, 753095), (126, 645510), (135, 602476), (140, 580959), (180, 451857), (189, 430340), (210, 387306), (252, 322755), (270, 301238), (315, 258204), (378, 215170), (420, 193653), (540, 150619), (630, 129102), (756, 107585), (945, 86068), (1260, 64551), (1890, 43034), (3780, 21517)]