661115520

素因数分解:

$2^7\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 448

約数和(自身を含む): 2575326600

約数和(自身を除く): 1914211080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 109, 117, 120, 128, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 218, 234, 240, 243, 260, 270, 288, 312, 320, 324, 327, 351, 360, 384, 390, 405, 416, 432, 436, 468, 480, 486, 520, 540, 545, 576, 585, 624, 640, 648, 654, 702, 720, 729, 780, 810, 832, 864, 872, 936, 960, 972, 981, 1040, 1053, 1080, 1090, 1152, 1170, 1215, 1248, 1296, 1308, 1404, 1417, 1440, 1458, 1560, 1620, 1635, 1664, 1728, 1744, 1755, 1872, 1920, 1944, 1962, 2080, 2106, 2160, 2180, 2340, 2430, 2496, 2592, 2616, 2808, 2834, 2880, 2916, 2943, 3120, 3159, 3240, 3270, 3456, 3488, 3510, 3645, 3744, 3888, 3924, 4160, 4212, 4251, 4320, 4360, 4680, 4860, 4905, 4992, 5184, 5232, 5265, 5616, 5668, 5760, 5832, 5886, 6240, 6318, 6480, 6540, 6976, 7020, 7085, 7290, 7488, 7776, 7848, 8320, 8424, 8502, 8640, 8720, 8829, 9360, 9477, 9720, 9810, 10368, 10464, 10530, 11232, 11336, 11664, 11772, 12480, 12636, 12753, 12960, 13080, 13952, 14040, 14170, 14580, 14715, 14976, 15552, 15696, 15795, 16848, 17004, 17280, 17440, 17658, 18720, 18954, 19440, 19620, 20928, 21060, 21255, 22464, 22672, 23328, 23544, 24960, 25272, 25506, 25920, 26160, 26487, 28080, 28340, 29160, 29430, 31104, 31392, 31590, 33696, 34008, 34880, 35316, 37440, 37908, 38259, 38880, 39240, 41856, 42120, 42510, 44145, 44928, 45344, 46656, 47088, 47385, 50544, 51012, 51840, 52320, 52974, 56160, 56680, 58320, 58860, 62784, 63180, 63765, 67392, 68016, 69760, 70632, 74880, 75816, 76518, 77760, 78480, 79461, 84240, 85020, 88290, 90688, 93312, 94176, 94770, 101088, 102024, 104640, 105948, 112320, 113360, 114777, 116640, 117720, 125568, 126360, 127530, 132435, 134784, 136032, 141264, 151632, 153036, 155520, 156960, 158922, 168480, 170040, 176580, 181376, 188352, 189540, 191295, 202176, 204048, 209280, 211896, 224640, 226720, 229554, 233280, 235440, 252720, 255060, 264870, 272064, 282528, 303264, 306072, 313920, 317844, 336960, 340080, 344331, 353160, 376704, 379080, 382590, 397305, 404352, 408096, 423792, 453440, 459108, 466560, 470880, 505440, 510120, 529740, 544128, 565056, 573885, 606528, 612144, 627840, 635688, 673920, 680160, 688662, 706320, 758160, 765180, 794610, 816192, 847584, 906880, 918216, 941760, 1010880, 1020240, 1032993, 1059480, 1130112, 1147770, 1213056, 1224288, 1271376, 1360320, 1377324, 1412640, 1516320, 1530360, 1589220, 1632384, 1695168, 1721655, 1836432, 1883520, 2021760, 2040480, 2065986, 2118960, 2295540, 2448576, 2542752, 2720640, 2754648, 2825280, 3032640, 3060720, 3178440, 3390336, 3443310, 3672864, 4080960, 4131972, 4237920, 4591080, 4897152, 5085504, 5164965, 5509296, 5650560, 6065280, 6121440, 6356880, 6886620, 7345728, 8161920, 8263944, 8475840, 9182160, 10171008, 10329930, 11018592, 12242880, 12713760, 13773240, 14691456, 16527888, 16951680, 18364320, 20659860, 22037184, 24485760, 25427520, 27546480, 33055776, 36728640, 41319720, 44074368, 50855040, 55092960, 66111552, 73457280, 82639440, 110185920, 132223104, 165278880, 220371840, 330557760, 661115520]

約数ペア:

[(1, 661115520), (2, 330557760), (3, 220371840), (4, 165278880), (5, 132223104), (6, 110185920), (8, 82639440), (9, 73457280), (10, 66111552), (12, 55092960), (13, 50855040), (15, 44074368), (16, 41319720), (18, 36728640), (20, 33055776), (24, 27546480), (26, 25427520), (27, 24485760), (30, 22037184), (32, 20659860), (36, 18364320), (39, 16951680), (40, 16527888), (45, 14691456), (48, 13773240), (52, 12713760), (54, 12242880), (60, 11018592), (64, 10329930), (65, 10171008), (72, 9182160), (78, 8475840), (80, 8263944), (81, 8161920), (90, 7345728), (96, 6886620), (104, 6356880), (108, 6121440), (109, 6065280), (117, 5650560), (120, 5509296), (128, 5164965), (130, 5085504), (135, 4897152), (144, 4591080), (156, 4237920), (160, 4131972), (162, 4080960), (180, 3672864), (192, 3443310), (195, 3390336), (208, 3178440), (216, 3060720), (218, 3032640), (234, 2825280), (240, 2754648), (243, 2720640), (260, 2542752), (270, 2448576), (288, 2295540), (312, 2118960), (320, 2065986), (324, 2040480), (327, 2021760), (351, 1883520), (360, 1836432), (384, 1721655), (390, 1695168), (405, 1632384), (416, 1589220), (432, 1530360), (436, 1516320), (468, 1412640), (480, 1377324), (486, 1360320), (520, 1271376), (540, 1224288), (545, 1213056), (576, 1147770), (585, 1130112), (624, 1059480), (640, 1032993), (648, 1020240), (654, 1010880), (702, 941760), (720, 918216), (729, 906880), (780, 847584), (810, 816192), (832, 794610), (864, 765180), (872, 758160), (936, 706320), (960, 688662), (972, 680160), (981, 673920), (1040, 635688), (1053, 627840), (1080, 612144), (1090, 606528), (1152, 573885), (1170, 565056), (1215, 544128), (1248, 529740), (1296, 510120), (1308, 505440), (1404, 470880), (1417, 466560), (1440, 459108), (1458, 453440), (1560, 423792), (1620, 408096), (1635, 404352), (1664, 397305), (1728, 382590), (1744, 379080), (1755, 376704), (1872, 353160), (1920, 344331), (1944, 340080), (1962, 336960), (2080, 317844), (2106, 313920), (2160, 306072), (2180, 303264), (2340, 282528), (2430, 272064), (2496, 264870), (2592, 255060), (2616, 252720), (2808, 235440), (2834, 233280), (2880, 229554), (2916, 226720), (2943, 224640), (3120, 211896), (3159, 209280), (3240, 204048), (3270, 202176), (3456, 191295), (3488, 189540), (3510, 188352), (3645, 181376), (3744, 176580), (3888, 170040), (3924, 168480), (4160, 158922), (4212, 156960), (4251, 155520), (4320, 153036), (4360, 151632), (4680, 141264), (4860, 136032), (4905, 134784), (4992, 132435), (5184, 127530), (5232, 126360), (5265, 125568), (5616, 117720), (5668, 116640), (5760, 114777), (5832, 113360), (5886, 112320), (6240, 105948), (6318, 104640), (6480, 102024), (6540, 101088), (6976, 94770), (7020, 94176), (7085, 93312), (7290, 90688), (7488, 88290), (7776, 85020), (7848, 84240), (8320, 79461), (8424, 78480), (8502, 77760), (8640, 76518), (8720, 75816), (8829, 74880), (9360, 70632), (9477, 69760), (9720, 68016), (9810, 67392), (10368, 63765), (10464, 63180), (10530, 62784), (11232, 58860), (11336, 58320), (11664, 56680), (11772, 56160), (12480, 52974), (12636, 52320), (12753, 51840), (12960, 51012), (13080, 50544), (13952, 47385), (14040, 47088), (14170, 46656), (14580, 45344), (14715, 44928), (14976, 44145), (15552, 42510), (15696, 42120), (15795, 41856), (16848, 39240), (17004, 38880), (17280, 38259), (17440, 37908), (17658, 37440), (18720, 35316), (18954, 34880), (19440, 34008), (19620, 33696), (20928, 31590), (21060, 31392), (21255, 31104), (22464, 29430), (22672, 29160), (23328, 28340), (23544, 28080), (24960, 26487), (25272, 26160), (25506, 25920)]