261959880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 384

約数和(自身を含む): 1034208000

約数和(自身を除く): 772248120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 49, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 98, 104, 105, 115, 120, 130, 138, 140, 147, 149, 156, 161, 168, 182, 184, 195, 196, 210, 230, 245, 260, 273, 276, 280, 294, 298, 299, 312, 322, 345, 364, 390, 392, 420, 447, 455, 460, 483, 490, 520, 546, 552, 588, 596, 598, 637, 644, 690, 728, 735, 745, 780, 805, 840, 894, 897, 910, 920, 966, 980, 1043, 1092, 1127, 1176, 1192, 1196, 1274, 1288, 1365, 1380, 1470, 1490, 1495, 1560, 1610, 1788, 1794, 1820, 1911, 1932, 1937, 1960, 2086, 2093, 2184, 2235, 2254, 2392, 2415, 2548, 2730, 2760, 2940, 2980, 2990, 3129, 3185, 3220, 3381, 3427, 3576, 3588, 3640, 3822, 3864, 3874, 4172, 4186, 4470, 4485, 4508, 4830, 5096, 5215, 5460, 5635, 5811, 5880, 5960, 5980, 6258, 6279, 6370, 6440, 6762, 6854, 7176, 7301, 7644, 7748, 8344, 8372, 8940, 8970, 9016, 9555, 9660, 9685, 10281, 10430, 10465, 10920, 11270, 11622, 11960, 12516, 12558, 12740, 13524, 13559, 13708, 14602, 14651, 15288, 15496, 15645, 16744, 16905, 17135, 17880, 17940, 19110, 19320, 19370, 20562, 20860, 20930, 21903, 22540, 23244, 23989, 25032, 25116, 25480, 27048, 27118, 27416, 29055, 29204, 29302, 31290, 31395, 33810, 34270, 35880, 36505, 38220, 38740, 40677, 41124, 41720, 41860, 43806, 43953, 44551, 45080, 46488, 47978, 50232, 51405, 54236, 58110, 58408, 58604, 62580, 62790, 67620, 67795, 68540, 71967, 73010, 73255, 76440, 77480, 81354, 82248, 83720, 87612, 87906, 89102, 94913, 95956, 102810, 108472, 109515, 116220, 117208, 119945, 125160, 125580, 133653, 135240, 135590, 137080, 143934, 146020, 146510, 162708, 167923, 175224, 175812, 178204, 189826, 191912, 203385, 205620, 219030, 219765, 222755, 232440, 239890, 251160, 267306, 271180, 284739, 287868, 292040, 293020, 311857, 325416, 335846, 351624, 356408, 359835, 379652, 406770, 411240, 438060, 439530, 445510, 474565, 479780, 503769, 534612, 542360, 569478, 575736, 586040, 623714, 668265, 671692, 719670, 759304, 813540, 839615, 876120, 879060, 891020, 935571, 949130, 959560, 1007538, 1069224, 1138956, 1247428, 1336530, 1343384, 1423695, 1439340, 1559285, 1627080, 1679230, 1758120, 1782040, 1871142, 1898260, 2015076, 2182999, 2277912, 2494856, 2518845, 2673060, 2847390, 2878680, 3118570, 3358460, 3742284, 3796520, 4030152, 4365998, 4677855, 5037690, 5346120, 5694780, 6237140, 6548997, 6716920, 7484568, 8731996, 9355710, 10075380, 10914995, 11389560, 12474280, 13097994, 17463992, 18711420, 20150760, 21829990, 26195988, 32744985, 37422840, 43659980, 52391976, 65489970, 87319960, 130979940, 261959880]

約数ペア:

[(1, 261959880), (2, 130979940), (3, 87319960), (4, 65489970), (5, 52391976), (6, 43659980), (7, 37422840), (8, 32744985), (10, 26195988), (12, 21829990), (13, 20150760), (14, 18711420), (15, 17463992), (20, 13097994), (21, 12474280), (23, 11389560), (24, 10914995), (26, 10075380), (28, 9355710), (30, 8731996), (35, 7484568), (39, 6716920), (40, 6548997), (42, 6237140), (46, 5694780), (49, 5346120), (52, 5037690), (56, 4677855), (60, 4365998), (65, 4030152), (69, 3796520), (70, 3742284), (78, 3358460), (84, 3118570), (91, 2878680), (92, 2847390), (98, 2673060), (104, 2518845), (105, 2494856), (115, 2277912), (120, 2182999), (130, 2015076), (138, 1898260), (140, 1871142), (147, 1782040), (149, 1758120), (156, 1679230), (161, 1627080), (168, 1559285), (182, 1439340), (184, 1423695), (195, 1343384), (196, 1336530), (210, 1247428), (230, 1138956), (245, 1069224), (260, 1007538), (273, 959560), (276, 949130), (280, 935571), (294, 891020), (298, 879060), (299, 876120), (312, 839615), (322, 813540), (345, 759304), (364, 719670), (390, 671692), (392, 668265), (420, 623714), (447, 586040), (455, 575736), (460, 569478), (483, 542360), (490, 534612), (520, 503769), (546, 479780), (552, 474565), (588, 445510), (596, 439530), (598, 438060), (637, 411240), (644, 406770), (690, 379652), (728, 359835), (735, 356408), (745, 351624), (780, 335846), (805, 325416), (840, 311857), (894, 293020), (897, 292040), (910, 287868), (920, 284739), (966, 271180), (980, 267306), (1043, 251160), (1092, 239890), (1127, 232440), (1176, 222755), (1192, 219765), (1196, 219030), (1274, 205620), (1288, 203385), (1365, 191912), (1380, 189826), (1470, 178204), (1490, 175812), (1495, 175224), (1560, 167923), (1610, 162708), (1788, 146510), (1794, 146020), (1820, 143934), (1911, 137080), (1932, 135590), (1937, 135240), (1960, 133653), (2086, 125580), (2093, 125160), (2184, 119945), (2235, 117208), (2254, 116220), (2392, 109515), (2415, 108472), (2548, 102810), (2730, 95956), (2760, 94913), (2940, 89102), (2980, 87906), (2990, 87612), (3129, 83720), (3185, 82248), (3220, 81354), (3381, 77480), (3427, 76440), (3576, 73255), (3588, 73010), (3640, 71967), (3822, 68540), (3864, 67795), (3874, 67620), (4172, 62790), (4186, 62580), (4470, 58604), (4485, 58408), (4508, 58110), (4830, 54236), (5096, 51405), (5215, 50232), (5460, 47978), (5635, 46488), (5811, 45080), (5880, 44551), (5960, 43953), (5980, 43806), (6258, 41860), (6279, 41720), (6370, 41124), (6440, 40677), (6762, 38740), (6854, 38220), (7176, 36505), (7301, 35880), (7644, 34270), (7748, 33810), (8344, 31395), (8372, 31290), (8940, 29302), (8970, 29204), (9016, 29055), (9555, 27416), (9660, 27118), (9685, 27048), (10281, 25480), (10430, 25116), (10465, 25032), (10920, 23989), (11270, 23244), (11622, 22540), (11960, 21903), (12516, 20930), (12558, 20860), (12740, 20562), (13524, 19370), (13559, 19320), (13708, 19110), (14602, 17940), (14651, 17880), (15288, 17135), (15496, 16905), (15645, 16744)]