261389520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 360

約数和(自身を含む): 1058503680

約数和(自身を除く): 797114160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 49, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 98, 105, 112, 120, 124, 126, 140, 144, 147, 155, 168, 180, 186, 196, 210, 217, 239, 240, 245, 248, 252, 279, 280, 294, 310, 315, 336, 360, 372, 392, 420, 434, 441, 465, 478, 490, 496, 504, 558, 560, 588, 620, 630, 651, 717, 720, 735, 744, 784, 840, 868, 882, 930, 956, 980, 1008, 1085, 1116, 1176, 1195, 1240, 1260, 1302, 1395, 1434, 1470, 1488, 1519, 1673, 1680, 1736, 1764, 1860, 1912, 1953, 1960, 2151, 2170, 2205, 2232, 2352, 2390, 2480, 2520, 2604, 2790, 2868, 2940, 3038, 3255, 3346, 3472, 3528, 3585, 3720, 3824, 3906, 3920, 4302, 4340, 4410, 4464, 4557, 4780, 5019, 5040, 5208, 5580, 5736, 5880, 6076, 6510, 6692, 7056, 7170, 7409, 7440, 7595, 7812, 8365, 8604, 8680, 8820, 9114, 9560, 9765, 10038, 10416, 10755, 11160, 11472, 11711, 11760, 12152, 13020, 13384, 13671, 14340, 14818, 15057, 15190, 15624, 16730, 17208, 17360, 17640, 18228, 19120, 19530, 20076, 21510, 22227, 22320, 22785, 23422, 24304, 25095, 26040, 26768, 27342, 28680, 29636, 30114, 30380, 31248, 33460, 34416, 35133, 35280, 36456, 37045, 39060, 40152, 43020, 44454, 45570, 46844, 50190, 51863, 52080, 54684, 57360, 58555, 59272, 60228, 60760, 66681, 66920, 68355, 70266, 72912, 74090, 75285, 78120, 80304, 86040, 88908, 91140, 93688, 100380, 103726, 105399, 109368, 111135, 117110, 118544, 120456, 121520, 133362, 133840, 136710, 140532, 148180, 150570, 155589, 156240, 172080, 175665, 177816, 182280, 187376, 200760, 207452, 210798, 218736, 222270, 234220, 240912, 259315, 266724, 273420, 281064, 296360, 301140, 311178, 333405, 351330, 355632, 363041, 364560, 401520, 414904, 421596, 444540, 466767, 468440, 518630, 526995, 533448, 546840, 562128, 592720, 602280, 622356, 666810, 702660, 726082, 777945, 829808, 843192, 889080, 933534, 936880, 1037260, 1053990, 1066896, 1089123, 1093680, 1204560, 1244712, 1333620, 1405320, 1452164, 1555890, 1686384, 1778160, 1815205, 1867068, 2074520, 2107980, 2178246, 2333835, 2489424, 2667240, 2810640, 2904328, 3111780, 3267369, 3630410, 3734136, 4149040, 4215960, 4356492, 4667670, 5334480, 5445615, 5808656, 6223560, 6534738, 7260820, 7468272, 8431920, 8712984, 9335340, 10891230, 12447120, 13069476, 14521640, 16336845, 17425968, 18670680, 21782460, 26138952, 29043280, 32673690, 37341360, 43564920, 52277904, 65347380, 87129840, 130694760, 261389520]

約数ペア:

[(1, 261389520), (2, 130694760), (3, 87129840), (4, 65347380), (5, 52277904), (6, 43564920), (7, 37341360), (8, 32673690), (9, 29043280), (10, 26138952), (12, 21782460), (14, 18670680), (15, 17425968), (16, 16336845), (18, 14521640), (20, 13069476), (21, 12447120), (24, 10891230), (28, 9335340), (30, 8712984), (31, 8431920), (35, 7468272), (36, 7260820), (40, 6534738), (42, 6223560), (45, 5808656), (48, 5445615), (49, 5334480), (56, 4667670), (60, 4356492), (62, 4215960), (63, 4149040), (70, 3734136), (72, 3630410), (80, 3267369), (84, 3111780), (90, 2904328), (93, 2810640), (98, 2667240), (105, 2489424), (112, 2333835), (120, 2178246), (124, 2107980), (126, 2074520), (140, 1867068), (144, 1815205), (147, 1778160), (155, 1686384), (168, 1555890), (180, 1452164), (186, 1405320), (196, 1333620), (210, 1244712), (217, 1204560), (239, 1093680), (240, 1089123), (245, 1066896), (248, 1053990), (252, 1037260), (279, 936880), (280, 933534), (294, 889080), (310, 843192), (315, 829808), (336, 777945), (360, 726082), (372, 702660), (392, 666810), (420, 622356), (434, 602280), (441, 592720), (465, 562128), (478, 546840), (490, 533448), (496, 526995), (504, 518630), (558, 468440), (560, 466767), (588, 444540), (620, 421596), (630, 414904), (651, 401520), (717, 364560), (720, 363041), (735, 355632), (744, 351330), (784, 333405), (840, 311178), (868, 301140), (882, 296360), (930, 281064), (956, 273420), (980, 266724), (1008, 259315), (1085, 240912), (1116, 234220), (1176, 222270), (1195, 218736), (1240, 210798), (1260, 207452), (1302, 200760), (1395, 187376), (1434, 182280), (1470, 177816), (1488, 175665), (1519, 172080), (1673, 156240), (1680, 155589), (1736, 150570), (1764, 148180), (1860, 140532), (1912, 136710), (1953, 133840), (1960, 133362), (2151, 121520), (2170, 120456), (2205, 118544), (2232, 117110), (2352, 111135), (2390, 109368), (2480, 105399), (2520, 103726), (2604, 100380), (2790, 93688), (2868, 91140), (2940, 88908), (3038, 86040), (3255, 80304), (3346, 78120), (3472, 75285), (3528, 74090), (3585, 72912), (3720, 70266), (3824, 68355), (3906, 66920), (3920, 66681), (4302, 60760), (4340, 60228), (4410, 59272), (4464, 58555), (4557, 57360), (4780, 54684), (5019, 52080), (5040, 51863), (5208, 50190), (5580, 46844), (5736, 45570), (5880, 44454), (6076, 43020), (6510, 40152), (6692, 39060), (7056, 37045), (7170, 36456), (7409, 35280), (7440, 35133), (7595, 34416), (7812, 33460), (8365, 31248), (8604, 30380), (8680, 30114), (8820, 29636), (9114, 28680), (9560, 27342), (9765, 26768), (10038, 26040), (10416, 25095), (10755, 24304), (11160, 23422), (11472, 22785), (11711, 22320), (11760, 22227), (12152, 21510), (13020, 20076), (13384, 19530), (13671, 19120), (14340, 18228), (14818, 17640), (15057, 17360), (15190, 17208), (15624, 16730)]