81667440

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{4201}}^1$

素因数の和:4229

約数の個数: 120

約数和(自身を含む): 284492208

約数和(自身を除く): 202824768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4201, 4860, 6480, 8402, 9720, 12603, 16804, 19440, 21005, 25206, 33608, 37809, 42010, 50412, 63015, 67216, 75618, 84020, 100824, 113427, 126030, 151236, 168040, 189045, 201648, 226854, 252060, 302472, 336080, 340281, 378090, 453708, 504120, 567135, 604944, 680562, 756180, 907416, 1008240, 1020843, 1134270, 1361124, 1512360, 1701405, 1814832, 2041686, 2268540, 2722248, 3024720, 3402810, 4083372, 4537080, 5104215, 5444496, 6805620, 8166744, 9074160, 10208430, 13611240, 16333488, 20416860, 27222480, 40833720, 81667440]

約数ペア:

[(1, 81667440), (2, 40833720), (3, 27222480), (4, 20416860), (5, 16333488), (6, 13611240), (8, 10208430), (9, 9074160), (10, 8166744), (12, 6805620), (15, 5444496), (16, 5104215), (18, 4537080), (20, 4083372), (24, 3402810), (27, 3024720), (30, 2722248), (36, 2268540), (40, 2041686), (45, 1814832), (48, 1701405), (54, 1512360), (60, 1361124), (72, 1134270), (80, 1020843), (81, 1008240), (90, 907416), (108, 756180), (120, 680562), (135, 604944), (144, 567135), (162, 504120), (180, 453708), (216, 378090), (240, 340281), (243, 336080), (270, 302472), (324, 252060), (360, 226854), (405, 201648), (432, 189045), (486, 168040), (540, 151236), (648, 126030), (720, 113427), (810, 100824), (972, 84020), (1080, 75618), (1215, 67216), (1296, 63015), (1620, 50412), (1944, 42010), (2160, 37809), (2430, 33608), (3240, 25206), (3888, 21005), (4201, 19440), (4860, 16804), (6480, 12603), (8402, 9720)]