1219181040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21991}}^1$

素因数の和:22028

約数の個数: 240

約数和(自身を含む): 5104958976

約数和(自身を除く): 3885777936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 5040, 5544, 6160, 6930, 7920, 9240, 11088, 13860, 18480, 21991, 27720, 43982, 55440, 65973, 87964, 109955, 131946, 153937, 175928, 197919, 219910, 241901, 263892, 307874, 329865, 351856, 395838, 439820, 461811, 483802, 527784, 615748, 659730, 725703, 769685, 791676, 879640, 923622, 967604, 989595, 1055568, 1209505, 1231496, 1319460, 1385433, 1451406, 1539370, 1583352, 1693307, 1759280, 1847244, 1935208, 1979190, 2177109, 2309055, 2419010, 2462992, 2638920, 2770866, 2902812, 3078740, 3166704, 3386614, 3628515, 3694488, 3870416, 3958380, 4354218, 4618110, 4838020, 5079921, 5277840, 5541732, 5805624, 6157480, 6773228, 6927165, 7257030, 7388976, 7916760, 8466535, 8708436, 9236220, 9676040, 10159842, 10885545, 11083464, 11611248, 12314960, 13546456, 13854330, 14514060, 15239763, 15833520, 16933070, 17416872, 18472440, 19352080, 20319684, 21771090, 22166928, 25399605, 27092912, 27708660, 29028120, 30479526, 33866140, 34833744, 36944880, 40639368, 43542180, 50799210, 55417320, 58056240, 60959052, 67732280, 76198815, 81278736, 87084360, 101598420, 110834640, 121918104, 135464560, 152397630, 174168720, 203196840, 243836208, 304795260, 406393680, 609590520, 1219181040]

約数ペア:

[(1, 1219181040), (2, 609590520), (3, 406393680), (4, 304795260), (5, 243836208), (6, 203196840), (7, 174168720), (8, 152397630), (9, 135464560), (10, 121918104), (11, 110834640), (12, 101598420), (14, 87084360), (15, 81278736), (16, 76198815), (18, 67732280), (20, 60959052), (21, 58056240), (22, 55417320), (24, 50799210), (28, 43542180), (30, 40639368), (33, 36944880), (35, 34833744), (36, 33866140), (40, 30479526), (42, 29028120), (44, 27708660), (45, 27092912), (48, 25399605), (55, 22166928), (56, 21771090), (60, 20319684), (63, 19352080), (66, 18472440), (70, 17416872), (72, 16933070), (77, 15833520), (80, 15239763), (84, 14514060), (88, 13854330), (90, 13546456), (99, 12314960), (105, 11611248), (110, 11083464), (112, 10885545), (120, 10159842), (126, 9676040), (132, 9236220), (140, 8708436), (144, 8466535), (154, 7916760), (165, 7388976), (168, 7257030), (176, 6927165), (180, 6773228), (198, 6157480), (210, 5805624), (220, 5541732), (231, 5277840), (240, 5079921), (252, 4838020), (264, 4618110), (280, 4354218), (308, 3958380), (315, 3870416), (330, 3694488), (336, 3628515), (360, 3386614), (385, 3166704), (396, 3078740), (420, 2902812), (440, 2770866), (462, 2638920), (495, 2462992), (504, 2419010), (528, 2309055), (560, 2177109), (616, 1979190), (630, 1935208), (660, 1847244), (693, 1759280), (720, 1693307), (770, 1583352), (792, 1539370), (840, 1451406), (880, 1385433), (924, 1319460), (990, 1231496), (1008, 1209505), (1155, 1055568), (1232, 989595), (1260, 967604), (1320, 923622), (1386, 879640), (1540, 791676), (1584, 769685), (1680, 725703), (1848, 659730), (1980, 615748), (2310, 527784), (2520, 483802), (2640, 461811), (2772, 439820), (3080, 395838), (3465, 351856), (3696, 329865), (3960, 307874), (4620, 263892), (5040, 241901), (5544, 219910), (6160, 197919), (6930, 175928), (7920, 153937), (9240, 131946), (11088, 109955), (13860, 87964), (18480, 65973), (21991, 55440), (27720, 43982)]