856680720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{751}}^1$

素因数の和:878

約数の個数: 240

約数和(自身を含む): 3125299968

約数和(自身を除く): 2268619248

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, 80, 84, 97, 98, 105, 112, 120, 140, 147, 168, 194, 196, 210, 240, 245, 280, 291, 294, 336, 388, 392, 420, 485, 490, 560, 582, 588, 679, 735, 751, 776, 784, 840, 970, 980, 1164, 1176, 1358, 1455, 1470, 1502, 1552, 1680, 1940, 1960, 2037, 2253, 2328, 2352, 2716, 2910, 2940, 3004, 3395, 3755, 3880, 3920, 4074, 4506, 4656, 4753, 5257, 5432, 5820, 5880, 6008, 6790, 7510, 7760, 8148, 9012, 9506, 10185, 10514, 10864, 11265, 11640, 11760, 12016, 13580, 14259, 15020, 15771, 16296, 18024, 19012, 20370, 21028, 22530, 23280, 23765, 26285, 27160, 28518, 30040, 31542, 32592, 36048, 36799, 38024, 40740, 42056, 45060, 47530, 52570, 54320, 57036, 60080, 63084, 71295, 72847, 73598, 76048, 78855, 81480, 84112, 90120, 95060, 105140, 110397, 114072, 126168, 142590, 145694, 147196, 157710, 162960, 180240, 183995, 190120, 210280, 218541, 220794, 228144, 252336, 285180, 291388, 294392, 315420, 364235, 367990, 380240, 420560, 437082, 441588, 509929, 551985, 570360, 582776, 588784, 630840, 728470, 735980, 874164, 883176, 1019858, 1092705, 1103970, 1140720, 1165552, 1261680, 1456940, 1471960, 1529787, 1748328, 1766352, 2039716, 2185410, 2207940, 2549645, 2913880, 2943920, 3059574, 3496656, 3569503, 4079432, 4370820, 4415880, 5099290, 5827760, 6119148, 7139006, 7648935, 8158864, 8741640, 8831760, 10198580, 10708509, 12238296, 14278012, 15297870, 17483280, 17847515, 20397160, 21417018, 24476592, 28556024, 30595740, 35695030, 40794320, 42834036, 53542545, 57112048, 61191480, 71390060, 85668072, 107085090, 122382960, 142780120, 171336144, 214170180, 285560240, 428340360, 856680720]

約数ペア:

[(1, 856680720), (2, 428340360), (3, 285560240), (4, 214170180), (5, 171336144), (6, 142780120), (7, 122382960), (8, 107085090), (10, 85668072), (12, 71390060), (14, 61191480), (15, 57112048), (16, 53542545), (20, 42834036), (21, 40794320), (24, 35695030), (28, 30595740), (30, 28556024), (35, 24476592), (40, 21417018), (42, 20397160), (48, 17847515), (49, 17483280), (56, 15297870), (60, 14278012), (70, 12238296), (80, 10708509), (84, 10198580), (97, 8831760), (98, 8741640), (105, 8158864), (112, 7648935), (120, 7139006), (140, 6119148), (147, 5827760), (168, 5099290), (194, 4415880), (196, 4370820), (210, 4079432), (240, 3569503), (245, 3496656), (280, 3059574), (291, 2943920), (294, 2913880), (336, 2549645), (388, 2207940), (392, 2185410), (420, 2039716), (485, 1766352), (490, 1748328), (560, 1529787), (582, 1471960), (588, 1456940), (679, 1261680), (735, 1165552), (751, 1140720), (776, 1103970), (784, 1092705), (840, 1019858), (970, 883176), (980, 874164), (1164, 735980), (1176, 728470), (1358, 630840), (1455, 588784), (1470, 582776), (1502, 570360), (1552, 551985), (1680, 509929), (1940, 441588), (1960, 437082), (2037, 420560), (2253, 380240), (2328, 367990), (2352, 364235), (2716, 315420), (2910, 294392), (2940, 291388), (3004, 285180), (3395, 252336), (3755, 228144), (3880, 220794), (3920, 218541), (4074, 210280), (4506, 190120), (4656, 183995), (4753, 180240), (5257, 162960), (5432, 157710), (5820, 147196), (5880, 145694), (6008, 142590), (6790, 126168), (7510, 114072), (7760, 110397), (8148, 105140), (9012, 95060), (9506, 90120), (10185, 84112), (10514, 81480), (10864, 78855), (11265, 76048), (11640, 73598), (11760, 72847), (12016, 71295), (13580, 63084), (14259, 60080), (15020, 57036), (15771, 54320), (16296, 52570), (18024, 47530), (19012, 45060), (20370, 42056), (21028, 40740), (22530, 38024), (23280, 36799), (23765, 36048), (26285, 32592), (27160, 31542), (28518, 30040)]