19989360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27763}}^1$

素因数の和:27782

約数の個数: 60

約数和(自身を含む): 67133352

約数和(自身を除く): 47143992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27763, 55526, 83289, 111052, 138815, 166578, 222104, 249867, 277630, 333156, 416445, 444208, 499734, 555260, 666312, 832890, 999468, 1110520, 1249335, 1332624, 1665780, 1998936, 2221040, 2498670, 3331560, 3997872, 4997340, 6663120, 9994680, 19989360]

約数ペア:

[(1, 19989360), (2, 9994680), (3, 6663120), (4, 4997340), (5, 3997872), (6, 3331560), (8, 2498670), (9, 2221040), (10, 1998936), (12, 1665780), (15, 1332624), (16, 1249335), (18, 1110520), (20, 999468), (24, 832890), (30, 666312), (36, 555260), (40, 499734), (45, 444208), (48, 416445), (60, 333156), (72, 277630), (80, 249867), (90, 222104), (120, 166578), (144, 138815), (180, 111052), (240, 83289), (360, 55526), (720, 27763)]