21660138720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151937}}^1$

素因数の和:151975

約数の個数: 240

約数和(自身を含む): 83392082928

約数和(自身を除く): 61731944208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 324, 330, 352, 360, 396, 405, 432, 440, 480, 495, 528, 540, 594, 648, 660, 720, 792, 810, 864, 880, 891, 990, 1056, 1080, 1188, 1296, 1320, 1440, 1485, 1584, 1620, 1760, 1782, 1980, 2160, 2376, 2592, 2640, 2970, 3168, 3240, 3564, 3960, 4320, 4455, 4752, 5280, 5940, 6480, 7128, 7920, 8910, 9504, 11880, 12960, 14256, 15840, 17820, 23760, 28512, 35640, 47520, 71280, 142560, 151937, 303874, 455811, 607748, 759685, 911622, 1215496, 1367433, 1519370, 1671307, 1823244, 2279055, 2430992, 2734866, 3038740, 3342614, 3646488, 4102299, 4558110, 4861984, 5013921, 5469732, 6077480, 6685228, 6837165, 7292976, 8204598, 8356535, 9116220, 10027842, 10939464, 12154960, 12306897, 13370456, 13674330, 14585952, 15041763, 16409196, 16713070, 18232440, 20055684, 20511495, 21878928, 24309920, 24613794, 25069605, 26740912, 27348660, 30083526, 32818392, 33426140, 36464880, 40111368, 41022990, 43757856, 45125289, 49227588, 50139210, 53481824, 54697320, 60167052, 61534485, 65636784, 66852280, 72929760, 75208815, 80222736, 82045980, 90250578, 98455176, 100278420, 109394640, 120334104, 123068970, 131273568, 133704560, 135375867, 150417630, 160445472, 164091960, 180501156, 196910352, 200556840, 218789280, 225626445, 240668208, 246137940, 267409120, 270751734, 300835260, 328183920, 361002312, 393820704, 401113680, 451252890, 481336416, 492275880, 541503468, 601670520, 656367840, 676879335, 722004624, 802227360, 902505780, 984551760, 1083006936, 1203341040, 1353758670, 1444009248, 1805011560, 1969103520, 2166013872, 2406682080, 2707517340, 3610023120, 4332027744, 5415034680, 7220046240, 10830069360, 21660138720]

約数ペア:

[(1, 21660138720), (2, 10830069360), (3, 7220046240), (4, 5415034680), (5, 4332027744), (6, 3610023120), (8, 2707517340), (9, 2406682080), (10, 2166013872), (11, 1969103520), (12, 1805011560), (15, 1444009248), (16, 1353758670), (18, 1203341040), (20, 1083006936), (22, 984551760), (24, 902505780), (27, 802227360), (30, 722004624), (32, 676879335), (33, 656367840), (36, 601670520), (40, 541503468), (44, 492275880), (45, 481336416), (48, 451252890), (54, 401113680), (55, 393820704), (60, 361002312), (66, 328183920), (72, 300835260), (80, 270751734), (81, 267409120), (88, 246137940), (90, 240668208), (96, 225626445), (99, 218789280), (108, 200556840), (110, 196910352), (120, 180501156), (132, 164091960), (135, 160445472), (144, 150417630), (160, 135375867), (162, 133704560), (165, 131273568), (176, 123068970), (180, 120334104), (198, 109394640), (216, 100278420), (220, 98455176), (240, 90250578), (264, 82045980), (270, 80222736), (288, 75208815), (297, 72929760), (324, 66852280), (330, 65636784), (352, 61534485), (360, 60167052), (396, 54697320), (405, 53481824), (432, 50139210), (440, 49227588), (480, 45125289), (495, 43757856), (528, 41022990), (540, 40111368), (594, 36464880), (648, 33426140), (660, 32818392), (720, 30083526), (792, 27348660), (810, 26740912), (864, 25069605), (880, 24613794), (891, 24309920), (990, 21878928), (1056, 20511495), (1080, 20055684), (1188, 18232440), (1296, 16713070), (1320, 16409196), (1440, 15041763), (1485, 14585952), (1584, 13674330), (1620, 13370456), (1760, 12306897), (1782, 12154960), (1980, 10939464), (2160, 10027842), (2376, 9116220), (2592, 8356535), (2640, 8204598), (2970, 7292976), (3168, 6837165), (3240, 6685228), (3564, 6077480), (3960, 5469732), (4320, 5013921), (4455, 4861984), (4752, 4558110), (5280, 4102299), (5940, 3646488), (6480, 3342614), (7128, 3038740), (7920, 2734866), (8910, 2430992), (9504, 2279055), (11880, 1823244), (12960, 1671307), (14256, 1519370), (15840, 1367433), (17820, 1215496), (23760, 911622), (28512, 759685), (35640, 607748), (47520, 455811), (71280, 303874), (142560, 151937)]