39978720

素因数分解:

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

素因数の和:27784

約数の個数: 72

約数和(自身を含む): 136432296

約数和(自身を除く): 96453576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 27763, 55526, 83289, 111052, 138815, 166578, 222104, 249867, 277630, 333156, 416445, 444208, 499734, 555260, 666312, 832890, 888416, 999468, 1110520, 1249335, 1332624, 1665780, 1998936, 2221040, 2498670, 2665248, 3331560, 3997872, 4442080, 4997340, 6663120, 7995744, 9994680, 13326240, 19989360, 39978720]

約数ペア:

[(1, 39978720), (2, 19989360), (3, 13326240), (4, 9994680), (5, 7995744), (6, 6663120), (8, 4997340), (9, 4442080), (10, 3997872), (12, 3331560), (15, 2665248), (16, 2498670), (18, 2221040), (20, 1998936), (24, 1665780), (30, 1332624), (32, 1249335), (36, 1110520), (40, 999468), (45, 888416), (48, 832890), (60, 666312), (72, 555260), (80, 499734), (90, 444208), (96, 416445), (120, 333156), (144, 277630), (160, 249867), (180, 222104), (240, 166578), (288, 138815), (360, 111052), (480, 83289), (720, 55526), (1440, 27763)]