51780540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 177020928

約数和(自身を除く): 125240388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 41, 42, 60, 62, 70, 82, 84, 93, 97, 105, 123, 124, 140, 155, 164, 186, 194, 205, 210, 217, 246, 287, 291, 310, 372, 388, 410, 420, 434, 465, 485, 492, 574, 582, 615, 620, 651, 679, 820, 861, 868, 930, 970, 1085, 1148, 1164, 1230, 1271, 1302, 1358, 1435, 1455, 1722, 1860, 1940, 2037, 2170, 2460, 2542, 2604, 2716, 2870, 2910, 3007, 3255, 3395, 3444, 3813, 3977, 4074, 4305, 4340, 5084, 5740, 5820, 6014, 6355, 6510, 6790, 7626, 7954, 8148, 8610, 8897, 9021, 10185, 11931, 12028, 12710, 13020, 13580, 15035, 15252, 15908, 17220, 17794, 18042, 19065, 19885, 20370, 21049, 23862, 25420, 26691, 27839, 30070, 35588, 36084, 38130, 39770, 40740, 42098, 44485, 45105, 47724, 53382, 55678, 59655, 60140, 63147, 76260, 79540, 83517, 84196, 88970, 90210, 105245, 106764, 111356, 119310, 123287, 126294, 133455, 139195, 167034, 177940, 180420, 210490, 238620, 246574, 252588, 266910, 278390, 315735, 334068, 369861, 417585, 420980, 493148, 533820, 556780, 616435, 631470, 739722, 835170, 863009, 1232870, 1262940, 1479444, 1670340, 1726018, 1849305, 2465740, 2589027, 3452036, 3698610, 4315045, 5178054, 7397220, 8630090, 10356108, 12945135, 17260180, 25890270, 51780540]

約数ペア:

[(1, 51780540), (2, 25890270), (3, 17260180), (4, 12945135), (5, 10356108), (6, 8630090), (7, 7397220), (10, 5178054), (12, 4315045), (14, 3698610), (15, 3452036), (20, 2589027), (21, 2465740), (28, 1849305), (30, 1726018), (31, 1670340), (35, 1479444), (41, 1262940), (42, 1232870), (60, 863009), (62, 835170), (70, 739722), (82, 631470), (84, 616435), (93, 556780), (97, 533820), (105, 493148), (123, 420980), (124, 417585), (140, 369861), (155, 334068), (164, 315735), (186, 278390), (194, 266910), (205, 252588), (210, 246574), (217, 238620), (246, 210490), (287, 180420), (291, 177940), (310, 167034), (372, 139195), (388, 133455), (410, 126294), (420, 123287), (434, 119310), (465, 111356), (485, 106764), (492, 105245), (574, 90210), (582, 88970), (615, 84196), (620, 83517), (651, 79540), (679, 76260), (820, 63147), (861, 60140), (868, 59655), (930, 55678), (970, 53382), (1085, 47724), (1148, 45105), (1164, 44485), (1230, 42098), (1271, 40740), (1302, 39770), (1358, 38130), (1435, 36084), (1455, 35588), (1722, 30070), (1860, 27839), (1940, 26691), (2037, 25420), (2170, 23862), (2460, 21049), (2542, 20370), (2604, 19885), (2716, 19065), (2870, 18042), (2910, 17794), (3007, 17220), (3255, 15908), (3395, 15252), (3444, 15035), (3813, 13580), (3977, 13020), (4074, 12710), (4305, 12028), (4340, 11931), (5084, 10185), (5740, 9021), (5820, 8897), (6014, 8610), (6355, 8148), (6510, 7954), (6790, 7626)]