87123960

素因数分解:

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

素因数の和:491

約数の個数: 288

約数和(自身を含む): 360126000

約数和(自身を除く): 273002040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 98, 99, 105, 110, 120, 126, 132, 140, 147, 154, 165, 168, 180, 196, 198, 210, 220, 231, 245, 252, 264, 280, 294, 308, 315, 330, 360, 385, 392, 396, 420, 440, 441, 449, 462, 490, 495, 504, 539, 588, 616, 630, 660, 693, 735, 770, 792, 840, 882, 898, 924, 980, 990, 1078, 1155, 1176, 1260, 1320, 1347, 1386, 1470, 1540, 1617, 1764, 1796, 1848, 1960, 1980, 2156, 2205, 2245, 2310, 2520, 2694, 2695, 2772, 2940, 3080, 3143, 3234, 3465, 3528, 3592, 3960, 4041, 4312, 4410, 4490, 4620, 4851, 4939, 5388, 5390, 5544, 5880, 6286, 6468, 6735, 6930, 8082, 8085, 8820, 8980, 9240, 9429, 9702, 9878, 10776, 10780, 12572, 12936, 13470, 13860, 14817, 15715, 16164, 16170, 17640, 17960, 18858, 19404, 19756, 20205, 21560, 22001, 24255, 24695, 25144, 26940, 27720, 28287, 29634, 31430, 32328, 32340, 34573, 37716, 38808, 39512, 40410, 44002, 44451, 47145, 48510, 49390, 53880, 56574, 59268, 62860, 64680, 66003, 69146, 74085, 75432, 80820, 88004, 88902, 94290, 97020, 98780, 103719, 110005, 113148, 118536, 125720, 132006, 138292, 141435, 148170, 161640, 172865, 176008, 177804, 188580, 194040, 197560, 198009, 207438, 220010, 222255, 226296, 242011, 264012, 276584, 282870, 296340, 311157, 330015, 345730, 355608, 377160, 396018, 414876, 440020, 444510, 484022, 518595, 528024, 565740, 592680, 622314, 660030, 691460, 726033, 792036, 829752, 880040, 889020, 968044, 990045, 1037190, 1131480, 1210055, 1244628, 1320060, 1382920, 1452066, 1555785, 1584072, 1778040, 1936088, 1980090, 2074380, 2178099, 2420110, 2489256, 2640120, 2904132, 3111570, 3630165, 3960180, 4148760, 4356198, 4840220, 5808264, 6223140, 7260330, 7920360, 8712396, 9680440, 10890495, 12446280, 14520660, 17424792, 21780990, 29041320, 43561980, 87123960]

約数ペア:

[(1, 87123960), (2, 43561980), (3, 29041320), (4, 21780990), (5, 17424792), (6, 14520660), (7, 12446280), (8, 10890495), (9, 9680440), (10, 8712396), (11, 7920360), (12, 7260330), (14, 6223140), (15, 5808264), (18, 4840220), (20, 4356198), (21, 4148760), (22, 3960180), (24, 3630165), (28, 3111570), (30, 2904132), (33, 2640120), (35, 2489256), (36, 2420110), (40, 2178099), (42, 2074380), (44, 1980090), (45, 1936088), (49, 1778040), (55, 1584072), (56, 1555785), (60, 1452066), (63, 1382920), (66, 1320060), (70, 1244628), (72, 1210055), (77, 1131480), (84, 1037190), (88, 990045), (90, 968044), (98, 889020), (99, 880040), (105, 829752), (110, 792036), (120, 726033), (126, 691460), (132, 660030), (140, 622314), (147, 592680), (154, 565740), (165, 528024), (168, 518595), (180, 484022), (196, 444510), (198, 440020), (210, 414876), (220, 396018), (231, 377160), (245, 355608), (252, 345730), (264, 330015), (280, 311157), (294, 296340), (308, 282870), (315, 276584), (330, 264012), (360, 242011), (385, 226296), (392, 222255), (396, 220010), (420, 207438), (440, 198009), (441, 197560), (449, 194040), (462, 188580), (490, 177804), (495, 176008), (504, 172865), (539, 161640), (588, 148170), (616, 141435), (630, 138292), (660, 132006), (693, 125720), (735, 118536), (770, 113148), (792, 110005), (840, 103719), (882, 98780), (898, 97020), (924, 94290), (980, 88902), (990, 88004), (1078, 80820), (1155, 75432), (1176, 74085), (1260, 69146), (1320, 66003), (1347, 64680), (1386, 62860), (1470, 59268), (1540, 56574), (1617, 53880), (1764, 49390), (1796, 48510), (1848, 47145), (1960, 44451), (1980, 44002), (2156, 40410), (2205, 39512), (2245, 38808), (2310, 37716), (2520, 34573), (2694, 32340), (2695, 32328), (2772, 31430), (2940, 29634), (3080, 28287), (3143, 27720), (3234, 26940), (3465, 25144), (3528, 24695), (3592, 24255), (3960, 22001), (4041, 21560), (4312, 20205), (4410, 19756), (4490, 19404), (4620, 18858), (4851, 17960), (4939, 17640), (5388, 16170), (5390, 16164), (5544, 15715), (5880, 14817), (6286, 13860), (6468, 13470), (6735, 12936), (6930, 12572), (8082, 10780), (8085, 10776), (8820, 9878), (8980, 9702), (9240, 9429)]