213020520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1775171}}^1$

素因数の和:1775185

約数の個数: 32

約数和(自身を含む): 639061920

約数和(自身を除く): 426041400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1775171, 3550342, 5325513, 7100684, 8875855, 10651026, 14201368, 17751710, 21302052, 26627565, 35503420, 42604104, 53255130, 71006840, 106510260, 213020520]

約数ペア:

[(1, 213020520), (2, 106510260), (3, 71006840), (4, 53255130), (5, 42604104), (6, 35503420), (8, 26627565), (10, 21302052), (12, 17751710), (15, 14201368), (20, 10651026), (24, 8875855), (30, 7100684), (40, 5325513), (60, 3550342), (120, 1775171)]