1289712960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{447817}}^1$

素因数の和:447840

約数の個数: 84

約数和(自身を含む): 4436085108

約数和(自身を除く): 3146372148

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 447817, 895634, 1343451, 1791268, 2239085, 2686902, 3582536, 4030353, 4478170, 5373804, 6717255, 7165072, 8060706, 8956340, 10747608, 13434510, 14330144, 16121412, 17912680, 20151765, 21495216, 26869020, 28660288, 32242824, 35825360, 40303530, 42990432, 53738040, 64485648, 71650720, 80607060, 85980864, 107476080, 128971296, 143301440, 161214120, 214952160, 257942592, 322428240, 429904320, 644856480, 1289712960]

約数ペア:

[(1, 1289712960), (2, 644856480), (3, 429904320), (4, 322428240), (5, 257942592), (6, 214952160), (8, 161214120), (9, 143301440), (10, 128971296), (12, 107476080), (15, 85980864), (16, 80607060), (18, 71650720), (20, 64485648), (24, 53738040), (30, 42990432), (32, 40303530), (36, 35825360), (40, 32242824), (45, 28660288), (48, 26869020), (60, 21495216), (64, 20151765), (72, 17912680), (80, 16121412), (90, 14330144), (96, 13434510), (120, 10747608), (144, 8956340), (160, 8060706), (180, 7165072), (192, 6717255), (240, 5373804), (288, 4478170), (320, 4030353), (360, 3582536), (480, 2686902), (576, 2239085), (720, 1791268), (960, 1343451), (1440, 895634), (2880, 447817)]