381576720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 240

約数和(自身を含む): 1398446208

約数和(自身を除く): 1016869488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 71, 80, 84, 98, 105, 112, 120, 140, 142, 147, 168, 196, 210, 213, 240, 245, 280, 284, 294, 336, 355, 392, 420, 426, 457, 490, 497, 560, 568, 588, 710, 735, 784, 840, 852, 914, 980, 994, 1065, 1136, 1176, 1371, 1420, 1470, 1491, 1680, 1704, 1828, 1960, 1988, 2130, 2285, 2352, 2485, 2742, 2840, 2940, 2982, 3199, 3408, 3479, 3656, 3920, 3976, 4260, 4570, 4970, 5484, 5680, 5880, 5964, 6398, 6855, 6958, 7312, 7455, 7952, 8520, 9140, 9597, 9940, 10437, 10968, 11760, 11928, 12796, 13710, 13916, 14910, 15995, 17040, 17395, 18280, 19194, 19880, 20874, 21936, 22393, 23856, 25592, 27420, 27832, 29820, 31990, 32447, 34790, 36560, 38388, 39760, 41748, 44786, 47985, 51184, 52185, 54840, 55664, 59640, 63980, 64894, 67179, 69580, 76776, 83496, 89572, 95970, 97341, 104370, 109680, 111965, 119280, 127960, 129788, 134358, 139160, 153552, 162235, 166992, 179144, 191940, 194682, 208740, 223930, 227129, 255920, 259576, 268716, 278320, 324470, 335895, 358288, 383880, 389364, 417480, 447860, 454258, 486705, 519152, 537432, 648940, 671790, 681387, 767760, 778728, 834960, 895720, 908516, 973410, 1074864, 1135645, 1297880, 1343580, 1362774, 1557456, 1589903, 1791440, 1817032, 1946820, 2271290, 2595760, 2687160, 2725548, 3179806, 3406935, 3634064, 3893640, 4542580, 4769709, 5374320, 5451096, 6359612, 6813870, 7787280, 7949515, 9085160, 9539418, 10902192, 12719224, 13627740, 15899030, 18170320, 19078836, 23848545, 25438448, 27255480, 31798060, 38157672, 47697090, 54510960, 63596120, 76315344, 95394180, 127192240, 190788360, 381576720]

約数ペア:

[(1, 381576720), (2, 190788360), (3, 127192240), (4, 95394180), (5, 76315344), (6, 63596120), (7, 54510960), (8, 47697090), (10, 38157672), (12, 31798060), (14, 27255480), (15, 25438448), (16, 23848545), (20, 19078836), (21, 18170320), (24, 15899030), (28, 13627740), (30, 12719224), (35, 10902192), (40, 9539418), (42, 9085160), (48, 7949515), (49, 7787280), (56, 6813870), (60, 6359612), (70, 5451096), (71, 5374320), (80, 4769709), (84, 4542580), (98, 3893640), (105, 3634064), (112, 3406935), (120, 3179806), (140, 2725548), (142, 2687160), (147, 2595760), (168, 2271290), (196, 1946820), (210, 1817032), (213, 1791440), (240, 1589903), (245, 1557456), (280, 1362774), (284, 1343580), (294, 1297880), (336, 1135645), (355, 1074864), (392, 973410), (420, 908516), (426, 895720), (457, 834960), (490, 778728), (497, 767760), (560, 681387), (568, 671790), (588, 648940), (710, 537432), (735, 519152), (784, 486705), (840, 454258), (852, 447860), (914, 417480), (980, 389364), (994, 383880), (1065, 358288), (1136, 335895), (1176, 324470), (1371, 278320), (1420, 268716), (1470, 259576), (1491, 255920), (1680, 227129), (1704, 223930), (1828, 208740), (1960, 194682), (1988, 191940), (2130, 179144), (2285, 166992), (2352, 162235), (2485, 153552), (2742, 139160), (2840, 134358), (2940, 129788), (2982, 127960), (3199, 119280), (3408, 111965), (3479, 109680), (3656, 104370), (3920, 97341), (3976, 95970), (4260, 89572), (4570, 83496), (4970, 76776), (5484, 69580), (5680, 67179), (5880, 64894), (5964, 63980), (6398, 59640), (6855, 55664), (6958, 54840), (7312, 52185), (7455, 51184), (7952, 47985), (8520, 44786), (9140, 41748), (9597, 39760), (9940, 38388), (10437, 36560), (10968, 34790), (11760, 32447), (11928, 31990), (12796, 29820), (13710, 27832), (13916, 27420), (14910, 25592), (15995, 23856), (17040, 22393), (17395, 21936), (18280, 20874), (19194, 19880)]