261472680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 384

約数和(自身を含む): 1054310400

約数和(自身を除く): 792837720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 43, 45, 56, 57, 60, 63, 70, 72, 76, 84, 86, 90, 95, 105, 114, 120, 126, 127, 129, 133, 140, 152, 168, 171, 172, 180, 190, 210, 215, 228, 252, 254, 258, 266, 280, 285, 301, 315, 342, 344, 360, 380, 381, 387, 399, 420, 430, 456, 504, 508, 516, 532, 570, 602, 630, 635, 645, 665, 684, 760, 762, 774, 798, 817, 840, 855, 860, 889, 903, 1016, 1032, 1064, 1140, 1143, 1197, 1204, 1260, 1270, 1290, 1330, 1368, 1505, 1524, 1548, 1596, 1634, 1710, 1720, 1778, 1806, 1905, 1935, 1995, 2280, 2286, 2394, 2408, 2413, 2451, 2520, 2540, 2580, 2660, 2667, 2709, 3010, 3048, 3096, 3192, 3268, 3420, 3556, 3612, 3810, 3870, 3990, 4085, 4445, 4515, 4572, 4788, 4826, 4902, 5080, 5160, 5320, 5334, 5418, 5461, 5715, 5719, 5985, 6020, 6536, 6840, 7112, 7224, 7239, 7353, 7620, 7740, 7980, 8001, 8170, 8890, 9030, 9144, 9576, 9652, 9804, 10668, 10836, 10922, 11430, 11438, 11970, 12040, 12065, 12255, 13335, 13545, 14478, 14706, 15240, 15480, 15960, 16002, 16340, 16383, 16891, 17157, 17780, 18060, 19304, 19608, 21336, 21672, 21717, 21844, 22860, 22876, 23940, 24130, 24510, 26670, 27090, 27305, 28595, 28956, 29412, 32004, 32680, 32766, 33782, 34314, 35560, 36120, 36195, 36765, 38227, 40005, 43434, 43688, 45720, 45752, 47880, 48260, 49020, 49149, 50673, 51471, 53340, 54180, 54610, 57190, 57912, 58824, 64008, 65532, 67564, 68628, 72390, 73530, 76454, 80010, 81915, 84455, 85785, 86868, 96520, 98040, 98298, 101346, 102942, 103759, 106680, 108360, 108585, 109220, 114380, 114681, 131064, 135128, 137256, 144780, 147060, 152019, 152908, 160020, 163830, 168910, 171570, 173736, 191135, 196596, 202692, 205884, 207518, 217170, 218440, 228760, 229362, 245745, 253365, 257355, 289560, 294120, 304038, 305816, 311277, 320040, 327660, 337820, 343140, 344043, 382270, 393192, 405384, 411768, 415036, 434340, 458724, 491490, 506730, 514710, 518795, 573405, 608076, 622554, 655320, 675640, 686280, 688086, 726313, 760095, 764540, 830072, 868680, 917448, 933831, 982980, 1013460, 1029420, 1037590, 1146810, 1216152, 1245108, 1376172, 1452626, 1520190, 1529080, 1556385, 1720215, 1867662, 1965960, 2026920, 2058840, 2075180, 2178939, 2293620, 2490216, 2752344, 2905252, 3040380, 3112770, 3440430, 3631565, 3735324, 4150360, 4357878, 4587240, 4669155, 5810504, 6080760, 6225540, 6536817, 6880860, 7263130, 7470648, 8715756, 9338310, 10894695, 12451080, 13073634, 13761720, 14526260, 17431512, 18676620, 21789390, 26147268, 29052520, 32684085, 37353240, 43578780, 52294536, 65368170, 87157560, 130736340, 261472680]

約数ペア:

[(1, 261472680), (2, 130736340), (3, 87157560), (4, 65368170), (5, 52294536), (6, 43578780), (7, 37353240), (8, 32684085), (9, 29052520), (10, 26147268), (12, 21789390), (14, 18676620), (15, 17431512), (18, 14526260), (19, 13761720), (20, 13073634), (21, 12451080), (24, 10894695), (28, 9338310), (30, 8715756), (35, 7470648), (36, 7263130), (38, 6880860), (40, 6536817), (42, 6225540), (43, 6080760), (45, 5810504), (56, 4669155), (57, 4587240), (60, 4357878), (63, 4150360), (70, 3735324), (72, 3631565), (76, 3440430), (84, 3112770), (86, 3040380), (90, 2905252), (95, 2752344), (105, 2490216), (114, 2293620), (120, 2178939), (126, 2075180), (127, 2058840), (129, 2026920), (133, 1965960), (140, 1867662), (152, 1720215), (168, 1556385), (171, 1529080), (172, 1520190), (180, 1452626), (190, 1376172), (210, 1245108), (215, 1216152), (228, 1146810), (252, 1037590), (254, 1029420), (258, 1013460), (266, 982980), (280, 933831), (285, 917448), (301, 868680), (315, 830072), (342, 764540), (344, 760095), (360, 726313), (380, 688086), (381, 686280), (387, 675640), (399, 655320), (420, 622554), (430, 608076), (456, 573405), (504, 518795), (508, 514710), (516, 506730), (532, 491490), (570, 458724), (602, 434340), (630, 415036), (635, 411768), (645, 405384), (665, 393192), (684, 382270), (760, 344043), (762, 343140), (774, 337820), (798, 327660), (817, 320040), (840, 311277), (855, 305816), (860, 304038), (889, 294120), (903, 289560), (1016, 257355), (1032, 253365), (1064, 245745), (1140, 229362), (1143, 228760), (1197, 218440), (1204, 217170), (1260, 207518), (1270, 205884), (1290, 202692), (1330, 196596), (1368, 191135), (1505, 173736), (1524, 171570), (1548, 168910), (1596, 163830), (1634, 160020), (1710, 152908), (1720, 152019), (1778, 147060), (1806, 144780), (1905, 137256), (1935, 135128), (1995, 131064), (2280, 114681), (2286, 114380), (2394, 109220), (2408, 108585), (2413, 108360), (2451, 106680), (2520, 103759), (2540, 102942), (2580, 101346), (2660, 98298), (2667, 98040), (2709, 96520), (3010, 86868), (3048, 85785), (3096, 84455), (3192, 81915), (3268, 80010), (3420, 76454), (3556, 73530), (3612, 72390), (3810, 68628), (3870, 67564), (3990, 65532), (4085, 64008), (4445, 58824), (4515, 57912), (4572, 57190), (4788, 54610), (4826, 54180), (4902, 53340), (5080, 51471), (5160, 50673), (5320, 49149), (5334, 49020), (5418, 48260), (5461, 47880), (5715, 45752), (5719, 45720), (5985, 43688), (6020, 43434), (6536, 40005), (6840, 38227), (7112, 36765), (7224, 36195), (7239, 36120), (7353, 35560), (7620, 34314), (7740, 33782), (7980, 32766), (8001, 32680), (8170, 32004), (8890, 29412), (9030, 28956), (9144, 28595), (9576, 27305), (9652, 27090), (9804, 26670), (10668, 24510), (10836, 24130), (10922, 23940), (11430, 22876), (11438, 22860), (11970, 21844), (12040, 21717), (12065, 21672), (12255, 21336), (13335, 19608), (13545, 19304), (14478, 18060), (14706, 17780), (15240, 17157), (15480, 16891), (15960, 16383), (16002, 16340)]