205994520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{572207}}^1$

素因数の和:572224

約数の個数: 48

約数和(自身を含む): 669483360

約数和(自身を除く): 463488840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 572207, 1144414, 1716621, 2288828, 2861035, 3433242, 4577656, 5149863, 5722070, 6866484, 8583105, 10299726, 11444140, 13732968, 17166210, 20599452, 22888280, 25749315, 34332420, 41198904, 51498630, 68664840, 102997260, 205994520]

約数ペア:

[(1, 205994520), (2, 102997260), (3, 68664840), (4, 51498630), (5, 41198904), (6, 34332420), (8, 25749315), (9, 22888280), (10, 20599452), (12, 17166210), (15, 13732968), (18, 11444140), (20, 10299726), (24, 8583105), (30, 6866484), (36, 5722070), (40, 5149863), (45, 4577656), (60, 3433242), (72, 2861035), (90, 2288828), (120, 1716621), (180, 1144414), (360, 572207)]