56455740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28513}}^1$

素因数の和:28539

約数の個数: 72

約数和(自身を含む): 186823728

約数和(自身を除く): 130367988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 28513, 57026, 85539, 114052, 142565, 171078, 256617, 285130, 313643, 342156, 427695, 513234, 570260, 627286, 855390, 940929, 1026468, 1254572, 1283085, 1568215, 1710780, 1881858, 2566170, 2822787, 3136430, 3763716, 4704645, 5132340, 5645574, 6272860, 9409290, 11291148, 14113935, 18818580, 28227870, 56455740]

約数ペア:

[(1, 56455740), (2, 28227870), (3, 18818580), (4, 14113935), (5, 11291148), (6, 9409290), (9, 6272860), (10, 5645574), (11, 5132340), (12, 4704645), (15, 3763716), (18, 3136430), (20, 2822787), (22, 2566170), (30, 1881858), (33, 1710780), (36, 1568215), (44, 1283085), (45, 1254572), (55, 1026468), (60, 940929), (66, 855390), (90, 627286), (99, 570260), (110, 513234), (132, 427695), (165, 342156), (180, 313643), (198, 285130), (220, 256617), (330, 171078), (396, 142565), (495, 114052), (660, 85539), (990, 57026), (1980, 28513)]