256207770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 288

約数和(自身を含む): 862701840

約数和(自身を除く): 606494070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 41, 42, 45, 49, 63, 65, 70, 78, 82, 90, 91, 98, 105, 109, 117, 123, 126, 130, 147, 182, 195, 205, 210, 218, 234, 245, 246, 273, 287, 294, 315, 327, 369, 390, 410, 441, 455, 490, 533, 545, 546, 574, 585, 615, 630, 637, 654, 735, 738, 763, 819, 861, 882, 910, 981, 1066, 1090, 1170, 1230, 1274, 1365, 1417, 1435, 1470, 1526, 1599, 1635, 1638, 1722, 1845, 1911, 1962, 2009, 2205, 2289, 2583, 2665, 2730, 2834, 2870, 3185, 3198, 3270, 3690, 3731, 3815, 3822, 4018, 4095, 4251, 4305, 4410, 4469, 4578, 4797, 4905, 5166, 5330, 5341, 5733, 6027, 6370, 6867, 7085, 7462, 7630, 7995, 8190, 8502, 8610, 8938, 9555, 9594, 9810, 9919, 10045, 10682, 11193, 11445, 11466, 12054, 12753, 12915, 13407, 13734, 14170, 15990, 16023, 18081, 18655, 19110, 19838, 20090, 21255, 22345, 22386, 22890, 23985, 25506, 25830, 26117, 26705, 26814, 28665, 29757, 30135, 31283, 32046, 33579, 34335, 36162, 37310, 40221, 42510, 44690, 47970, 48069, 49595, 52234, 53410, 55965, 57330, 58097, 59514, 60270, 62566, 63765, 67035, 67158, 68670, 69433, 78351, 80115, 80442, 89271, 90405, 93849, 96138, 99190, 111930, 116194, 127530, 130585, 134070, 138866, 148785, 156415, 156702, 160230, 167895, 174291, 178542, 180810, 187698, 201105, 208299, 218981, 235053, 240345, 261170, 281547, 290485, 297570, 312830, 335790, 347165, 348582, 391755, 402210, 406679, 416598, 437962, 446355, 469245, 470106, 480690, 522873, 563094, 580970, 624897, 656943, 694330, 783510, 813358, 871455, 892710, 938490, 1041495, 1045746, 1094905, 1175265, 1220037, 1249794, 1313886, 1407735, 1742910, 1970829, 2033395, 2082990, 2189810, 2350530, 2440074, 2614365, 2815470, 2846753, 3124485, 3284715, 3660111, 3941658, 4066790, 5228730, 5693506, 6100185, 6248970, 6569430, 7320222, 8540259, 9854145, 12200370, 14233765, 17080518, 18300555, 19708290, 25620777, 28467530, 36601110, 42701295, 51241554, 85402590, 128103885, 256207770]

約数ペア:

[(1, 256207770), (2, 128103885), (3, 85402590), (5, 51241554), (6, 42701295), (7, 36601110), (9, 28467530), (10, 25620777), (13, 19708290), (14, 18300555), (15, 17080518), (18, 14233765), (21, 12200370), (26, 9854145), (30, 8540259), (35, 7320222), (39, 6569430), (41, 6248970), (42, 6100185), (45, 5693506), (49, 5228730), (63, 4066790), (65, 3941658), (70, 3660111), (78, 3284715), (82, 3124485), (90, 2846753), (91, 2815470), (98, 2614365), (105, 2440074), (109, 2350530), (117, 2189810), (123, 2082990), (126, 2033395), (130, 1970829), (147, 1742910), (182, 1407735), (195, 1313886), (205, 1249794), (210, 1220037), (218, 1175265), (234, 1094905), (245, 1045746), (246, 1041495), (273, 938490), (287, 892710), (294, 871455), (315, 813358), (327, 783510), (369, 694330), (390, 656943), (410, 624897), (441, 580970), (455, 563094), (490, 522873), (533, 480690), (545, 470106), (546, 469245), (574, 446355), (585, 437962), (615, 416598), (630, 406679), (637, 402210), (654, 391755), (735, 348582), (738, 347165), (763, 335790), (819, 312830), (861, 297570), (882, 290485), (910, 281547), (981, 261170), (1066, 240345), (1090, 235053), (1170, 218981), (1230, 208299), (1274, 201105), (1365, 187698), (1417, 180810), (1435, 178542), (1470, 174291), (1526, 167895), (1599, 160230), (1635, 156702), (1638, 156415), (1722, 148785), (1845, 138866), (1911, 134070), (1962, 130585), (2009, 127530), (2205, 116194), (2289, 111930), (2583, 99190), (2665, 96138), (2730, 93849), (2834, 90405), (2870, 89271), (3185, 80442), (3198, 80115), (3270, 78351), (3690, 69433), (3731, 68670), (3815, 67158), (3822, 67035), (4018, 63765), (4095, 62566), (4251, 60270), (4305, 59514), (4410, 58097), (4469, 57330), (4578, 55965), (4797, 53410), (4905, 52234), (5166, 49595), (5330, 48069), (5341, 47970), (5733, 44690), (6027, 42510), (6370, 40221), (6867, 37310), (7085, 36162), (7462, 34335), (7630, 33579), (7995, 32046), (8190, 31283), (8502, 30135), (8610, 29757), (8938, 28665), (9555, 26814), (9594, 26705), (9810, 26117), (9919, 25830), (10045, 25506), (10682, 23985), (11193, 22890), (11445, 22386), (11466, 22345), (12054, 21255), (12753, 20090), (12915, 19838), (13407, 19110), (13734, 18655), (14170, 18081), (15990, 16023)]