221655960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{205237}}^1$

素因数の和:205257

約数の個数: 64

約数和(自身を含む): 738856800

約数和(自身を除く): 517200840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 205237, 410474, 615711, 820948, 1026185, 1231422, 1641896, 1847133, 2052370, 2462844, 3078555, 3694266, 4104740, 4925688, 5541399, 6157110, 7388532, 8209480, 9235665, 11082798, 12314220, 14777064, 18471330, 22165596, 24628440, 27706995, 36942660, 44331192, 55413990, 73885320, 110827980, 221655960]

約数ペア:

[(1, 221655960), (2, 110827980), (3, 73885320), (4, 55413990), (5, 44331192), (6, 36942660), (8, 27706995), (9, 24628440), (10, 22165596), (12, 18471330), (15, 14777064), (18, 12314220), (20, 11082798), (24, 9235665), (27, 8209480), (30, 7388532), (36, 6157110), (40, 5541399), (45, 4925688), (54, 4104740), (60, 3694266), (72, 3078555), (90, 2462844), (108, 2052370), (120, 1847133), (135, 1641896), (180, 1231422), (216, 1026185), (270, 820948), (360, 615711), (540, 410474), (1080, 205237)]