261129120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 384

約数和(自身を含む): 1021870080

約数和(自身を除く): 760740960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 31, 32, 35, 40, 42, 46, 48, 56, 60, 62, 69, 70, 80, 84, 92, 93, 96, 105, 109, 112, 115, 120, 124, 138, 140, 155, 160, 161, 168, 184, 186, 210, 217, 218, 224, 230, 240, 248, 276, 280, 310, 322, 327, 336, 345, 368, 372, 420, 434, 436, 460, 465, 480, 483, 496, 545, 552, 560, 620, 644, 651, 654, 672, 690, 713, 736, 744, 763, 805, 840, 868, 872, 920, 930, 966, 992, 1085, 1090, 1104, 1120, 1240, 1288, 1302, 1308, 1380, 1426, 1488, 1526, 1610, 1635, 1680, 1736, 1744, 1840, 1860, 1932, 2139, 2170, 2180, 2208, 2289, 2415, 2480, 2507, 2576, 2604, 2616, 2760, 2852, 2976, 3052, 3220, 3255, 3270, 3360, 3379, 3472, 3488, 3565, 3680, 3720, 3815, 3864, 4278, 4340, 4360, 4578, 4830, 4960, 4991, 5014, 5152, 5208, 5232, 5520, 5704, 6104, 6440, 6510, 6540, 6758, 6944, 7130, 7440, 7521, 7630, 7728, 8556, 8680, 8720, 9156, 9660, 9982, 10028, 10137, 10416, 10464, 10695, 11040, 11408, 11445, 12208, 12535, 12880, 13020, 13080, 13516, 14260, 14880, 14973, 15042, 15260, 15456, 16895, 17112, 17360, 17440, 17549, 18312, 19320, 19964, 20056, 20274, 20832, 21390, 22816, 22890, 23653, 24416, 24955, 25070, 25760, 26040, 26160, 27032, 28520, 29946, 30084, 30520, 33790, 34224, 34720, 35098, 36624, 37605, 38640, 39928, 40112, 40548, 42780, 45780, 47306, 49910, 50140, 50685, 52080, 52320, 52647, 54064, 57040, 59892, 60168, 61040, 67580, 68448, 70196, 70959, 73248, 74865, 75210, 77280, 77717, 79856, 80224, 81096, 85560, 87745, 91560, 94612, 99820, 100280, 101370, 104160, 105294, 108128, 114080, 118265, 119784, 120336, 122080, 135160, 140392, 141918, 149730, 150420, 155434, 159712, 162192, 171120, 175490, 183120, 189224, 199640, 200560, 202740, 210588, 233151, 236530, 239568, 240672, 263235, 270320, 280784, 283836, 299460, 300840, 310868, 324384, 342240, 350980, 354795, 366240, 378448, 388585, 399280, 401120, 405480, 421176, 466302, 473060, 479136, 526470, 540640, 544019, 561568, 567672, 598920, 601680, 621736, 701960, 709590, 756896, 777170, 798560, 810960, 842352, 932604, 946120, 1052940, 1088038, 1135344, 1165755, 1197840, 1203360, 1243472, 1403920, 1419180, 1554340, 1621920, 1632057, 1684704, 1865208, 1892240, 2105880, 2176076, 2270688, 2331510, 2395680, 2486944, 2720095, 2807840, 2838360, 3108680, 3264114, 3730416, 3784480, 4211760, 4352152, 4663020, 5440190, 5676720, 6217360, 6528228, 7460832, 8160285, 8423520, 8704304, 9326040, 10880380, 11353440, 12434720, 13056456, 16320570, 17408608, 18652080, 21760760, 26112912, 32641140, 37304160, 43521520, 52225824, 65282280, 87043040, 130564560, 261129120]

約数ペア:

[(1, 261129120), (2, 130564560), (3, 87043040), (4, 65282280), (5, 52225824), (6, 43521520), (7, 37304160), (8, 32641140), (10, 26112912), (12, 21760760), (14, 18652080), (15, 17408608), (16, 16320570), (20, 13056456), (21, 12434720), (23, 11353440), (24, 10880380), (28, 9326040), (30, 8704304), (31, 8423520), (32, 8160285), (35, 7460832), (40, 6528228), (42, 6217360), (46, 5676720), (48, 5440190), (56, 4663020), (60, 4352152), (62, 4211760), (69, 3784480), (70, 3730416), (80, 3264114), (84, 3108680), (92, 2838360), (93, 2807840), (96, 2720095), (105, 2486944), (109, 2395680), (112, 2331510), (115, 2270688), (120, 2176076), (124, 2105880), (138, 1892240), (140, 1865208), (155, 1684704), (160, 1632057), (161, 1621920), (168, 1554340), (184, 1419180), (186, 1403920), (210, 1243472), (217, 1203360), (218, 1197840), (224, 1165755), (230, 1135344), (240, 1088038), (248, 1052940), (276, 946120), (280, 932604), (310, 842352), (322, 810960), (327, 798560), (336, 777170), (345, 756896), (368, 709590), (372, 701960), (420, 621736), (434, 601680), (436, 598920), (460, 567672), (465, 561568), (480, 544019), (483, 540640), (496, 526470), (545, 479136), (552, 473060), (560, 466302), (620, 421176), (644, 405480), (651, 401120), (654, 399280), (672, 388585), (690, 378448), (713, 366240), (736, 354795), (744, 350980), (763, 342240), (805, 324384), (840, 310868), (868, 300840), (872, 299460), (920, 283836), (930, 280784), (966, 270320), (992, 263235), (1085, 240672), (1090, 239568), (1104, 236530), (1120, 233151), (1240, 210588), (1288, 202740), (1302, 200560), (1308, 199640), (1380, 189224), (1426, 183120), (1488, 175490), (1526, 171120), (1610, 162192), (1635, 159712), (1680, 155434), (1736, 150420), (1744, 149730), (1840, 141918), (1860, 140392), (1932, 135160), (2139, 122080), (2170, 120336), (2180, 119784), (2208, 118265), (2289, 114080), (2415, 108128), (2480, 105294), (2507, 104160), (2576, 101370), (2604, 100280), (2616, 99820), (2760, 94612), (2852, 91560), (2976, 87745), (3052, 85560), (3220, 81096), (3255, 80224), (3270, 79856), (3360, 77717), (3379, 77280), (3472, 75210), (3488, 74865), (3565, 73248), (3680, 70959), (3720, 70196), (3815, 68448), (3864, 67580), (4278, 61040), (4340, 60168), (4360, 59892), (4578, 57040), (4830, 54064), (4960, 52647), (4991, 52320), (5014, 52080), (5152, 50685), (5208, 50140), (5232, 49910), (5520, 47306), (5704, 45780), (6104, 42780), (6440, 40548), (6510, 40112), (6540, 39928), (6758, 38640), (6944, 37605), (7130, 36624), (7440, 35098), (7521, 34720), (7630, 34224), (7728, 33790), (8556, 30520), (8680, 30084), (8720, 29946), (9156, 28520), (9660, 27032), (9982, 26160), (10028, 26040), (10137, 25760), (10416, 25070), (10464, 24955), (10695, 24416), (11040, 23653), (11408, 22890), (11445, 22816), (12208, 21390), (12535, 20832), (12880, 20274), (13020, 20056), (13080, 19964), (13516, 19320), (14260, 18312), (14880, 17549), (14973, 17440), (15042, 17360), (15260, 17112), (15456, 16895)]