205890240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{214469}}^1$

素因数の和:214489

約数の個数: 56

約数和(自身を含む): 653704560

約数和(自身を除く): 447814320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 214469, 428938, 643407, 857876, 1072345, 1286814, 1715752, 2144690, 2573628, 3217035, 3431504, 4289380, 5147256, 6434070, 6863008, 8578760, 10294512, 12868140, 13726016, 17157520, 20589024, 25736280, 34315040, 41178048, 51472560, 68630080, 102945120, 205890240]

約数ペア:

[(1, 205890240), (2, 102945120), (3, 68630080), (4, 51472560), (5, 41178048), (6, 34315040), (8, 25736280), (10, 20589024), (12, 17157520), (15, 13726016), (16, 12868140), (20, 10294512), (24, 8578760), (30, 6863008), (32, 6434070), (40, 5147256), (48, 4289380), (60, 3431504), (64, 3217035), (80, 2573628), (96, 2144690), (120, 1715752), (160, 1286814), (192, 1072345), (240, 857876), (320, 643407), (480, 428938), (960, 214469)]