20180791680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{48437}}^1$

素因数の和:48497

約数の個数: 256

約数和(自身を含む): 75888783360

約数和(自身を除く): 55707991680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 560, 620, 640, 651, 672, 744, 840, 868, 896, 930, 960, 992, 1085, 1120, 1240, 1302, 1344, 1488, 1680, 1736, 1860, 1920, 1984, 2170, 2240, 2480, 2604, 2688, 2976, 3255, 3360, 3472, 3720, 3968, 4340, 4480, 4960, 5208, 5952, 6510, 6720, 6944, 7440, 8680, 9920, 10416, 11904, 13020, 13440, 13888, 14880, 17360, 19840, 20832, 26040, 27776, 29760, 34720, 41664, 48437, 52080, 59520, 69440, 83328, 96874, 104160, 138880, 145311, 193748, 208320, 242185, 290622, 339059, 387496, 416640, 484370, 581244, 678118, 726555, 774992, 968740, 1017177, 1162488, 1356236, 1453110, 1501547, 1549984, 1695295, 1937480, 2034354, 2324976, 2712472, 2906220, 3003094, 3099968, 3390590, 3874960, 4068708, 4504641, 4649952, 5085885, 5424944, 5812440, 6006188, 6199936, 6781180, 7507735, 7749920, 8137416, 9009282, 9299904, 10171770, 10510829, 10849888, 11624880, 12012376, 13562360, 15015470, 15499840, 16274832, 18018564, 18599808, 20343540, 21021658, 21699776, 22523205, 23249760, 24024752, 27124720, 30030940, 30999680, 31532487, 32549664, 36037128, 40687080, 42043316, 43399552, 45046410, 46499520, 48049504, 52554145, 54249440, 60061880, 63064974, 65099328, 72074256, 81374160, 84086632, 90092820, 92999040, 96099008, 105108290, 108498880, 120123760, 126129948, 130198656, 144148512, 157662435, 162748320, 168173264, 180185640, 192198016, 210216580, 216997760, 240247520, 252259896, 288297024, 315324870, 325496640, 336346528, 360371280, 420433160, 480495040, 504519792, 576594048, 630649740, 650993280, 672693056, 720742560, 840866320, 960990080, 1009039584, 1261299480, 1345386112, 1441485120, 1681732640, 2018079168, 2522598960, 2882970240, 3363465280, 4036158336, 5045197920, 6726930560, 10090395840, 20180791680]

約数ペア:

[(1, 20180791680), (2, 10090395840), (3, 6726930560), (4, 5045197920), (5, 4036158336), (6, 3363465280), (7, 2882970240), (8, 2522598960), (10, 2018079168), (12, 1681732640), (14, 1441485120), (15, 1345386112), (16, 1261299480), (20, 1009039584), (21, 960990080), (24, 840866320), (28, 720742560), (30, 672693056), (31, 650993280), (32, 630649740), (35, 576594048), (40, 504519792), (42, 480495040), (48, 420433160), (56, 360371280), (60, 336346528), (62, 325496640), (64, 315324870), (70, 288297024), (80, 252259896), (84, 240247520), (93, 216997760), (96, 210216580), (105, 192198016), (112, 180185640), (120, 168173264), (124, 162748320), (128, 157662435), (140, 144148512), (155, 130198656), (160, 126129948), (168, 120123760), (186, 108498880), (192, 105108290), (210, 96099008), (217, 92999040), (224, 90092820), (240, 84086632), (248, 81374160), (280, 72074256), (310, 65099328), (320, 63064974), (336, 60061880), (372, 54249440), (384, 52554145), (420, 48049504), (434, 46499520), (448, 45046410), (465, 43399552), (480, 42043316), (496, 40687080), (560, 36037128), (620, 32549664), (640, 31532487), (651, 30999680), (672, 30030940), (744, 27124720), (840, 24024752), (868, 23249760), (896, 22523205), (930, 21699776), (960, 21021658), (992, 20343540), (1085, 18599808), (1120, 18018564), (1240, 16274832), (1302, 15499840), (1344, 15015470), (1488, 13562360), (1680, 12012376), (1736, 11624880), (1860, 10849888), (1920, 10510829), (1984, 10171770), (2170, 9299904), (2240, 9009282), (2480, 8137416), (2604, 7749920), (2688, 7507735), (2976, 6781180), (3255, 6199936), (3360, 6006188), (3472, 5812440), (3720, 5424944), (3968, 5085885), (4340, 4649952), (4480, 4504641), (4960, 4068708), (5208, 3874960), (5952, 3390590), (6510, 3099968), (6720, 3003094), (6944, 2906220), (7440, 2712472), (8680, 2324976), (9920, 2034354), (10416, 1937480), (11904, 1695295), (13020, 1549984), (13440, 1501547), (13888, 1453110), (14880, 1356236), (17360, 1162488), (19840, 1017177), (20832, 968740), (26040, 774992), (27776, 726555), (29760, 678118), (34720, 581244), (41664, 484370), (48437, 416640), (52080, 387496), (59520, 339059), (69440, 290622), (83328, 242185), (96874, 208320), (104160, 193748), (138880, 145311)]