256808664

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 256

約数和(自身を含む): 880588800

約数和(自身を除く): 623780136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 84, 97, 102, 103, 108, 119, 126, 136, 153, 168, 189, 194, 204, 206, 216, 238, 252, 291, 306, 309, 357, 378, 388, 408, 412, 459, 476, 504, 582, 612, 618, 679, 714, 721, 756, 776, 824, 873, 918, 927, 952, 1071, 1164, 1224, 1236, 1358, 1428, 1442, 1512, 1649, 1746, 1751, 1836, 1854, 2037, 2142, 2163, 2328, 2472, 2619, 2716, 2781, 2856, 2884, 3213, 3298, 3492, 3502, 3672, 3708, 4074, 4284, 4326, 4947, 5238, 5253, 5432, 5562, 5768, 6111, 6426, 6489, 6596, 6984, 7004, 7416, 8148, 8568, 8652, 9894, 9991, 10476, 10506, 11124, 11543, 12222, 12257, 12852, 12978, 13192, 14008, 14841, 15759, 16296, 17304, 18333, 19467, 19788, 19982, 20952, 21012, 22248, 23086, 24444, 24514, 25704, 25956, 29682, 29973, 31518, 34629, 36666, 36771, 38934, 39576, 39964, 42024, 44523, 46172, 47277, 48888, 49028, 51912, 59364, 59946, 63036, 69258, 69937, 73332, 73542, 77868, 79928, 89046, 89919, 92344, 94554, 98056, 103887, 110313, 118728, 119892, 126072, 138516, 139874, 146664, 147084, 155736, 169847, 178092, 179838, 189108, 207774, 209811, 220626, 239784, 269757, 277032, 279748, 294168, 311661, 330939, 339694, 356184, 359676, 378216, 415548, 419622, 441252, 509541, 539514, 559496, 623322, 629433, 661878, 679388, 719352, 831096, 839244, 882504, 1019082, 1079028, 1188929, 1246644, 1258866, 1323756, 1358776, 1528623, 1678488, 1888299, 2038164, 2158056, 2377858, 2493288, 2517732, 2647512, 3057246, 3566787, 3776598, 4076328, 4585869, 4755716, 5035464, 6114492, 7133574, 7553196, 9171738, 9511432, 10700361, 12228984, 14267148, 15106392, 18343476, 21400722, 28534296, 32101083, 36686952, 42801444, 64202166, 85602888, 128404332, 256808664]

約数ペア:

[(1, 256808664), (2, 128404332), (3, 85602888), (4, 64202166), (6, 42801444), (7, 36686952), (8, 32101083), (9, 28534296), (12, 21400722), (14, 18343476), (17, 15106392), (18, 14267148), (21, 12228984), (24, 10700361), (27, 9511432), (28, 9171738), (34, 7553196), (36, 7133574), (42, 6114492), (51, 5035464), (54, 4755716), (56, 4585869), (63, 4076328), (68, 3776598), (72, 3566787), (84, 3057246), (97, 2647512), (102, 2517732), (103, 2493288), (108, 2377858), (119, 2158056), (126, 2038164), (136, 1888299), (153, 1678488), (168, 1528623), (189, 1358776), (194, 1323756), (204, 1258866), (206, 1246644), (216, 1188929), (238, 1079028), (252, 1019082), (291, 882504), (306, 839244), (309, 831096), (357, 719352), (378, 679388), (388, 661878), (408, 629433), (412, 623322), (459, 559496), (476, 539514), (504, 509541), (582, 441252), (612, 419622), (618, 415548), (679, 378216), (714, 359676), (721, 356184), (756, 339694), (776, 330939), (824, 311661), (873, 294168), (918, 279748), (927, 277032), (952, 269757), (1071, 239784), (1164, 220626), (1224, 209811), (1236, 207774), (1358, 189108), (1428, 179838), (1442, 178092), (1512, 169847), (1649, 155736), (1746, 147084), (1751, 146664), (1836, 139874), (1854, 138516), (2037, 126072), (2142, 119892), (2163, 118728), (2328, 110313), (2472, 103887), (2619, 98056), (2716, 94554), (2781, 92344), (2856, 89919), (2884, 89046), (3213, 79928), (3298, 77868), (3492, 73542), (3502, 73332), (3672, 69937), (3708, 69258), (4074, 63036), (4284, 59946), (4326, 59364), (4947, 51912), (5238, 49028), (5253, 48888), (5432, 47277), (5562, 46172), (5768, 44523), (6111, 42024), (6426, 39964), (6489, 39576), (6596, 38934), (6984, 36771), (7004, 36666), (7416, 34629), (8148, 31518), (8568, 29973), (8652, 29682), (9894, 25956), (9991, 25704), (10476, 24514), (10506, 24444), (11124, 23086), (11543, 22248), (12222, 21012), (12257, 20952), (12852, 19982), (12978, 19788), (13192, 19467), (14008, 18333), (14841, 17304), (15759, 16296)]