138405960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4993}}^1$

素因数の和:5028

約数の個数: 192

約数和(自身を含む): 560926080

約数和(自身を除く): 422520120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1540, 1848, 1980, 2310, 2520, 2772, 3080, 3465, 3960, 4620, 4993, 5544, 6930, 9240, 9986, 13860, 14979, 19972, 24965, 27720, 29958, 34951, 39944, 44937, 49930, 54923, 59916, 69902, 74895, 89874, 99860, 104853, 109846, 119832, 139804, 149790, 164769, 174755, 179748, 199720, 209706, 219692, 224685, 274615, 279608, 299580, 314559, 329538, 349510, 359496, 384461, 419412, 439384, 449370, 494307, 524265, 549230, 599160, 629118, 659076, 699020, 768922, 823845, 838824, 898740, 988614, 1048530, 1098460, 1153383, 1258236, 1318152, 1398040, 1537844, 1572795, 1647690, 1797480, 1922305, 1977228, 2097060, 2196920, 2306766, 2471535, 2516472, 3075688, 3145590, 3295380, 3460149, 3844610, 3954456, 4194120, 4613532, 4943070, 5766915, 6291180, 6590760, 6920298, 7689220, 9227064, 9886140, 11533830, 12582360, 13840596, 15378440, 17300745, 19772280, 23067660, 27681192, 34601490, 46135320, 69202980, 138405960]

約数ペア:

[(1, 138405960), (2, 69202980), (3, 46135320), (4, 34601490), (5, 27681192), (6, 23067660), (7, 19772280), (8, 17300745), (9, 15378440), (10, 13840596), (11, 12582360), (12, 11533830), (14, 9886140), (15, 9227064), (18, 7689220), (20, 6920298), (21, 6590760), (22, 6291180), (24, 5766915), (28, 4943070), (30, 4613532), (33, 4194120), (35, 3954456), (36, 3844610), (40, 3460149), (42, 3295380), (44, 3145590), (45, 3075688), (55, 2516472), (56, 2471535), (60, 2306766), (63, 2196920), (66, 2097060), (70, 1977228), (72, 1922305), (77, 1797480), (84, 1647690), (88, 1572795), (90, 1537844), (99, 1398040), (105, 1318152), (110, 1258236), (120, 1153383), (126, 1098460), (132, 1048530), (140, 988614), (154, 898740), (165, 838824), (168, 823845), (180, 768922), (198, 699020), (210, 659076), (220, 629118), (231, 599160), (252, 549230), (264, 524265), (280, 494307), (308, 449370), (315, 439384), (330, 419412), (360, 384461), (385, 359496), (396, 349510), (420, 329538), (440, 314559), (462, 299580), (495, 279608), (504, 274615), (616, 224685), (630, 219692), (660, 209706), (693, 199720), (770, 179748), (792, 174755), (840, 164769), (924, 149790), (990, 139804), (1155, 119832), (1260, 109846), (1320, 104853), (1386, 99860), (1540, 89874), (1848, 74895), (1980, 69902), (2310, 59916), (2520, 54923), (2772, 49930), (3080, 44937), (3465, 39944), (3960, 34951), (4620, 29958), (4993, 27720), (5544, 24965), (6930, 19972), (9240, 14979), (9986, 13860)]