661489920

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 432

約数和(自身を含む): 2821308672

約数和(自身を除く): 2159818752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 128, 130, 140, 144, 156, 160, 168, 180, 182, 192, 195, 208, 210, 224, 234, 240, 252, 256, 260, 273, 280, 288, 312, 315, 320, 336, 360, 364, 384, 390, 416, 420, 448, 455, 468, 480, 504, 520, 546, 560, 576, 585, 624, 630, 631, 640, 672, 720, 728, 768, 780, 819, 832, 840, 896, 910, 936, 960, 1008, 1040, 1092, 1120, 1152, 1170, 1248, 1260, 1262, 1280, 1344, 1365, 1440, 1456, 1560, 1638, 1664, 1680, 1792, 1820, 1872, 1893, 1920, 2016, 2080, 2184, 2240, 2304, 2340, 2496, 2520, 2524, 2688, 2730, 2880, 2912, 3120, 3155, 3276, 3328, 3360, 3640, 3744, 3786, 3840, 4032, 4095, 4160, 4368, 4417, 4480, 4680, 4992, 5040, 5048, 5376, 5460, 5679, 5760, 5824, 6240, 6310, 6552, 6720, 7280, 7488, 7572, 8064, 8190, 8203, 8320, 8736, 8834, 8960, 9360, 9465, 9984, 10080, 10096, 10920, 11358, 11520, 11648, 12480, 12620, 13104, 13251, 13440, 14560, 14976, 15144, 16128, 16380, 16406, 16640, 17472, 17668, 18720, 18930, 20160, 20192, 21840, 22085, 22716, 23296, 24609, 24960, 25240, 26208, 26502, 26880, 28395, 29120, 29952, 30288, 32760, 32812, 34944, 35336, 37440, 37860, 39753, 40320, 40384, 41015, 43680, 44170, 45432, 49218, 49920, 50480, 52416, 53004, 56790, 57421, 58240, 60576, 65520, 65624, 66255, 69888, 70672, 73827, 74880, 75720, 79506, 80640, 80768, 82030, 87360, 88340, 90864, 98436, 100960, 104832, 106008, 113580, 114842, 116480, 121152, 123045, 131040, 131248, 132510, 141344, 147654, 149760, 151440, 159012, 161536, 164060, 172263, 174720, 176680, 181728, 196872, 198765, 201920, 209664, 212016, 227160, 229684, 242304, 246090, 262080, 262496, 265020, 282688, 287105, 295308, 302880, 318024, 328120, 344526, 349440, 353360, 363456, 369135, 393744, 397530, 403840, 424032, 454320, 459368, 484608, 492180, 516789, 524160, 524992, 530040, 565376, 574210, 590616, 605760, 636048, 656240, 689052, 706720, 726912, 738270, 787488, 795060, 807680, 848064, 861315, 908640, 918736, 984360, 1033578, 1048320, 1049984, 1060080, 1130752, 1148420, 1181232, 1211520, 1272096, 1312480, 1378104, 1413440, 1453824, 1476540, 1574976, 1590120, 1696128, 1722630, 1817280, 1837472, 1968720, 2067156, 2099968, 2120160, 2296840, 2362464, 2423040, 2544192, 2583945, 2624960, 2756208, 2826880, 2953080, 3149952, 3180240, 3392256, 3445260, 3634560, 3674944, 3937440, 4134312, 4240320, 4593680, 4724928, 5088384, 5167890, 5249920, 5512416, 5653760, 5906160, 6299904, 6360480, 6890520, 7269120, 7349888, 7874880, 8268624, 8480640, 9187360, 9449856, 10176768, 10335780, 10499840, 11024832, 11812320, 12720960, 13781040, 14699776, 15749760, 16537248, 16961280, 18374720, 18899712, 20671560, 22049664, 23624640, 25441920, 27562080, 31499520, 33074496, 36749440, 41343120, 44099328, 47249280, 50883840, 55124160, 66148992, 73498880, 82686240, 94498560, 110248320, 132297984, 165372480, 220496640, 330744960, 661489920]

約数ペア:

[(1, 661489920), (2, 330744960), (3, 220496640), (4, 165372480), (5, 132297984), (6, 110248320), (7, 94498560), (8, 82686240), (9, 73498880), (10, 66148992), (12, 55124160), (13, 50883840), (14, 47249280), (15, 44099328), (16, 41343120), (18, 36749440), (20, 33074496), (21, 31499520), (24, 27562080), (26, 25441920), (28, 23624640), (30, 22049664), (32, 20671560), (35, 18899712), (36, 18374720), (39, 16961280), (40, 16537248), (42, 15749760), (45, 14699776), (48, 13781040), (52, 12720960), (56, 11812320), (60, 11024832), (63, 10499840), (64, 10335780), (65, 10176768), (70, 9449856), (72, 9187360), (78, 8480640), (80, 8268624), (84, 7874880), (90, 7349888), (91, 7269120), (96, 6890520), (104, 6360480), (105, 6299904), (112, 5906160), (117, 5653760), (120, 5512416), (126, 5249920), (128, 5167890), (130, 5088384), (140, 4724928), (144, 4593680), (156, 4240320), (160, 4134312), (168, 3937440), (180, 3674944), (182, 3634560), (192, 3445260), (195, 3392256), (208, 3180240), (210, 3149952), (224, 2953080), (234, 2826880), (240, 2756208), (252, 2624960), (256, 2583945), (260, 2544192), (273, 2423040), (280, 2362464), (288, 2296840), (312, 2120160), (315, 2099968), (320, 2067156), (336, 1968720), (360, 1837472), (364, 1817280), (384, 1722630), (390, 1696128), (416, 1590120), (420, 1574976), (448, 1476540), (455, 1453824), (468, 1413440), (480, 1378104), (504, 1312480), (520, 1272096), (546, 1211520), (560, 1181232), (576, 1148420), (585, 1130752), (624, 1060080), (630, 1049984), (631, 1048320), (640, 1033578), (672, 984360), (720, 918736), (728, 908640), (768, 861315), (780, 848064), (819, 807680), (832, 795060), (840, 787488), (896, 738270), (910, 726912), (936, 706720), (960, 689052), (1008, 656240), (1040, 636048), (1092, 605760), (1120, 590616), (1152, 574210), (1170, 565376), (1248, 530040), (1260, 524992), (1262, 524160), (1280, 516789), (1344, 492180), (1365, 484608), (1440, 459368), (1456, 454320), (1560, 424032), (1638, 403840), (1664, 397530), (1680, 393744), (1792, 369135), (1820, 363456), (1872, 353360), (1893, 349440), (1920, 344526), (2016, 328120), (2080, 318024), (2184, 302880), (2240, 295308), (2304, 287105), (2340, 282688), (2496, 265020), (2520, 262496), (2524, 262080), (2688, 246090), (2730, 242304), (2880, 229684), (2912, 227160), (3120, 212016), (3155, 209664), (3276, 201920), (3328, 198765), (3360, 196872), (3640, 181728), (3744, 176680), (3786, 174720), (3840, 172263), (4032, 164060), (4095, 161536), (4160, 159012), (4368, 151440), (4417, 149760), (4480, 147654), (4680, 141344), (4992, 132510), (5040, 131248), (5048, 131040), (5376, 123045), (5460, 121152), (5679, 116480), (5760, 114842), (5824, 113580), (6240, 106008), (6310, 104832), (6552, 100960), (6720, 98436), (7280, 90864), (7488, 88340), (7572, 87360), (8064, 82030), (8190, 80768), (8203, 80640), (8320, 79506), (8736, 75720), (8834, 74880), (8960, 73827), (9360, 70672), (9465, 69888), (9984, 66255), (10080, 65624), (10096, 65520), (10920, 60576), (11358, 58240), (11520, 57421), (11648, 56790), (12480, 53004), (12620, 52416), (13104, 50480), (13251, 49920), (13440, 49218), (14560, 45432), (14976, 44170), (15144, 43680), (16128, 41015), (16380, 40384), (16406, 40320), (16640, 39753), (17472, 37860), (17668, 37440), (18720, 35336), (18930, 34944), (20160, 32812), (20192, 32760), (21840, 30288), (22085, 29952), (22716, 29120), (23296, 28395), (24609, 26880), (24960, 26502), (25240, 26208)]