261371880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 384

約数和(自身を含む): 1108080000

約数和(自身を除く): 846708120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 98, 99, 105, 108, 110, 120, 126, 132, 135, 140, 147, 154, 165, 168, 180, 189, 196, 198, 210, 216, 220, 231, 245, 252, 264, 270, 280, 294, 297, 308, 315, 330, 360, 378, 385, 392, 396, 420, 440, 441, 449, 462, 490, 495, 504, 539, 540, 588, 594, 616, 630, 660, 693, 735, 756, 770, 792, 840, 882, 898, 924, 945, 980, 990, 1078, 1080, 1155, 1176, 1188, 1260, 1320, 1323, 1347, 1386, 1470, 1485, 1512, 1540, 1617, 1764, 1796, 1848, 1890, 1960, 1980, 2079, 2156, 2205, 2245, 2310, 2376, 2520, 2646, 2694, 2695, 2772, 2940, 2970, 3080, 3143, 3234, 3465, 3528, 3592, 3780, 3960, 4041, 4158, 4312, 4410, 4490, 4620, 4851, 4939, 5292, 5388, 5390, 5544, 5880, 5940, 6286, 6468, 6615, 6735, 6930, 7560, 8082, 8085, 8316, 8820, 8980, 9240, 9429, 9702, 9878, 10395, 10584, 10776, 10780, 11880, 12123, 12572, 12936, 13230, 13470, 13860, 14553, 14817, 15715, 16164, 16170, 16632, 17640, 17960, 18858, 19404, 19756, 20205, 20790, 21560, 22001, 24246, 24255, 24695, 25144, 26460, 26940, 27720, 28287, 29106, 29634, 31430, 32328, 32340, 34573, 37716, 38808, 39512, 40410, 41580, 44002, 44451, 47145, 48492, 48510, 49390, 52920, 53880, 56574, 58212, 59268, 60615, 62860, 64680, 66003, 69146, 72765, 74085, 75432, 80820, 83160, 84861, 88004, 88902, 94290, 96984, 97020, 98780, 103719, 110005, 113148, 116424, 118536, 121230, 125720, 132006, 133353, 138292, 141435, 145530, 148170, 161640, 169722, 172865, 176008, 177804, 188580, 194040, 197560, 198009, 207438, 220010, 222255, 226296, 242011, 242460, 264012, 266706, 276584, 282870, 291060, 296340, 311157, 330015, 339444, 345730, 355608, 377160, 396018, 414876, 424305, 440020, 444510, 484022, 484920, 518595, 528024, 533412, 565740, 582120, 592680, 594027, 622314, 660030, 666765, 678888, 691460, 726033, 792036, 829752, 848610, 880040, 889020, 933471, 968044, 990045, 1037190, 1066824, 1131480, 1188054, 1210055, 1244628, 1320060, 1333530, 1382920, 1452066, 1555785, 1584072, 1697220, 1778040, 1866942, 1936088, 1980090, 2074380, 2178099, 2376108, 2420110, 2489256, 2640120, 2667060, 2904132, 2970135, 3111570, 3394440, 3630165, 3733884, 3960180, 4148760, 4356198, 4667355, 4752216, 4840220, 5334120, 5808264, 5940270, 6223140, 6534297, 7260330, 7467768, 7920360, 8712396, 9334710, 9680440, 10890495, 11880540, 12446280, 13068594, 14520660, 17424792, 18669420, 21780990, 23761080, 26137188, 29041320, 32671485, 37338840, 43561980, 52274376, 65342970, 87123960, 130685940, 261371880]

約数ペア:

[(1, 261371880), (2, 130685940), (3, 87123960), (4, 65342970), (5, 52274376), (6, 43561980), (7, 37338840), (8, 32671485), (9, 29041320), (10, 26137188), (11, 23761080), (12, 21780990), (14, 18669420), (15, 17424792), (18, 14520660), (20, 13068594), (21, 12446280), (22, 11880540), (24, 10890495), (27, 9680440), (28, 9334710), (30, 8712396), (33, 7920360), (35, 7467768), (36, 7260330), (40, 6534297), (42, 6223140), (44, 5940270), (45, 5808264), (49, 5334120), (54, 4840220), (55, 4752216), (56, 4667355), (60, 4356198), (63, 4148760), (66, 3960180), (70, 3733884), (72, 3630165), (77, 3394440), (84, 3111570), (88, 2970135), (90, 2904132), (98, 2667060), (99, 2640120), (105, 2489256), (108, 2420110), (110, 2376108), (120, 2178099), (126, 2074380), (132, 1980090), (135, 1936088), (140, 1866942), (147, 1778040), (154, 1697220), (165, 1584072), (168, 1555785), (180, 1452066), (189, 1382920), (196, 1333530), (198, 1320060), (210, 1244628), (216, 1210055), (220, 1188054), (231, 1131480), (245, 1066824), (252, 1037190), (264, 990045), (270, 968044), (280, 933471), (294, 889020), (297, 880040), (308, 848610), (315, 829752), (330, 792036), (360, 726033), (378, 691460), (385, 678888), (392, 666765), (396, 660030), (420, 622314), (440, 594027), (441, 592680), (449, 582120), (462, 565740), (490, 533412), (495, 528024), (504, 518595), (539, 484920), (540, 484022), (588, 444510), (594, 440020), (616, 424305), (630, 414876), (660, 396018), (693, 377160), (735, 355608), (756, 345730), (770, 339444), (792, 330015), (840, 311157), (882, 296340), (898, 291060), (924, 282870), (945, 276584), (980, 266706), (990, 264012), (1078, 242460), (1080, 242011), (1155, 226296), (1176, 222255), (1188, 220010), (1260, 207438), (1320, 198009), (1323, 197560), (1347, 194040), (1386, 188580), (1470, 177804), (1485, 176008), (1512, 172865), (1540, 169722), (1617, 161640), (1764, 148170), (1796, 145530), (1848, 141435), (1890, 138292), (1960, 133353), (1980, 132006), (2079, 125720), (2156, 121230), (2205, 118536), (2245, 116424), (2310, 113148), (2376, 110005), (2520, 103719), (2646, 98780), (2694, 97020), (2695, 96984), (2772, 94290), (2940, 88902), (2970, 88004), (3080, 84861), (3143, 83160), (3234, 80820), (3465, 75432), (3528, 74085), (3592, 72765), (3780, 69146), (3960, 66003), (4041, 64680), (4158, 62860), (4312, 60615), (4410, 59268), (4490, 58212), (4620, 56574), (4851, 53880), (4939, 52920), (5292, 49390), (5388, 48510), (5390, 48492), (5544, 47145), (5880, 44451), (5940, 44002), (6286, 41580), (6468, 40410), (6615, 39512), (6735, 38808), (6930, 37716), (7560, 34573), (8082, 32340), (8085, 32328), (8316, 31430), (8820, 29634), (8980, 29106), (9240, 28287), (9429, 27720), (9702, 26940), (9878, 26460), (10395, 25144), (10584, 24695), (10776, 24255), (10780, 24246), (11880, 22001), (12123, 21560), (12572, 20790), (12936, 20205), (13230, 19756), (13470, 19404), (13860, 18858), (14553, 17960), (14817, 17640), (15715, 16632), (16164, 16170)]