261387840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:525

約数の個数: 224

約数和(自身を含む): 960632064

約数和(自身を除く): 699244224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 97, 105, 112, 120, 140, 160, 168, 192, 194, 210, 224, 240, 280, 291, 320, 336, 388, 401, 420, 448, 480, 485, 560, 582, 672, 679, 776, 802, 840, 960, 970, 1120, 1164, 1203, 1344, 1358, 1455, 1552, 1604, 1680, 1940, 2005, 2037, 2240, 2328, 2406, 2716, 2807, 2910, 3104, 3208, 3360, 3395, 3880, 4010, 4074, 4656, 4812, 5432, 5614, 5820, 6015, 6208, 6416, 6720, 6790, 7760, 8020, 8148, 8421, 9312, 9624, 10185, 10864, 11228, 11640, 12030, 12832, 13580, 14035, 15520, 16040, 16296, 16842, 18624, 19248, 20370, 21728, 22456, 23280, 24060, 25664, 27160, 28070, 31040, 32080, 32592, 33684, 38496, 38897, 40740, 42105, 43456, 44912, 46560, 48120, 54320, 56140, 64160, 65184, 67368, 76992, 77794, 81480, 84210, 89824, 93120, 96240, 108640, 112280, 116691, 128320, 130368, 134736, 155588, 162960, 168420, 179648, 192480, 194485, 217280, 224560, 233382, 269472, 272279, 311176, 325920, 336840, 384960, 388970, 449120, 466764, 538944, 544558, 583455, 622352, 651840, 673680, 777940, 816837, 898240, 933528, 1089116, 1166910, 1244704, 1347360, 1361395, 1555880, 1633674, 1867056, 2178232, 2333820, 2489408, 2694720, 2722790, 3111760, 3267348, 3734112, 4084185, 4356464, 4667640, 5445580, 6223520, 6534696, 7468224, 8168370, 8712928, 9335280, 10891160, 12447040, 13069392, 16336740, 17425856, 18670560, 21782320, 26138784, 32673480, 37341120, 43564640, 52277568, 65346960, 87129280, 130693920, 261387840]

約数ペア:

[(1, 261387840), (2, 130693920), (3, 87129280), (4, 65346960), (5, 52277568), (6, 43564640), (7, 37341120), (8, 32673480), (10, 26138784), (12, 21782320), (14, 18670560), (15, 17425856), (16, 16336740), (20, 13069392), (21, 12447040), (24, 10891160), (28, 9335280), (30, 8712928), (32, 8168370), (35, 7468224), (40, 6534696), (42, 6223520), (48, 5445580), (56, 4667640), (60, 4356464), (64, 4084185), (70, 3734112), (80, 3267348), (84, 3111760), (96, 2722790), (97, 2694720), (105, 2489408), (112, 2333820), (120, 2178232), (140, 1867056), (160, 1633674), (168, 1555880), (192, 1361395), (194, 1347360), (210, 1244704), (224, 1166910), (240, 1089116), (280, 933528), (291, 898240), (320, 816837), (336, 777940), (388, 673680), (401, 651840), (420, 622352), (448, 583455), (480, 544558), (485, 538944), (560, 466764), (582, 449120), (672, 388970), (679, 384960), (776, 336840), (802, 325920), (840, 311176), (960, 272279), (970, 269472), (1120, 233382), (1164, 224560), (1203, 217280), (1344, 194485), (1358, 192480), (1455, 179648), (1552, 168420), (1604, 162960), (1680, 155588), (1940, 134736), (2005, 130368), (2037, 128320), (2240, 116691), (2328, 112280), (2406, 108640), (2716, 96240), (2807, 93120), (2910, 89824), (3104, 84210), (3208, 81480), (3360, 77794), (3395, 76992), (3880, 67368), (4010, 65184), (4074, 64160), (4656, 56140), (4812, 54320), (5432, 48120), (5614, 46560), (5820, 44912), (6015, 43456), (6208, 42105), (6416, 40740), (6720, 38897), (6790, 38496), (7760, 33684), (8020, 32592), (8148, 32080), (8421, 31040), (9312, 28070), (9624, 27160), (10185, 25664), (10864, 24060), (11228, 23280), (11640, 22456), (12030, 21728), (12832, 20370), (13580, 19248), (14035, 18624), (15520, 16842), (16040, 16296)]