256349664

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:630

約数の個数: 192

約数和(自身を含む): 818657280

約数和(自身を除く): 562307616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 31, 32, 34, 36, 48, 51, 54, 62, 68, 72, 93, 96, 102, 108, 124, 136, 144, 153, 186, 204, 216, 248, 272, 279, 288, 306, 372, 408, 432, 459, 496, 527, 544, 558, 563, 612, 744, 816, 837, 864, 918, 992, 1054, 1116, 1126, 1224, 1488, 1581, 1632, 1674, 1689, 1836, 2108, 2232, 2252, 2448, 2976, 3162, 3348, 3378, 3672, 4216, 4464, 4504, 4743, 4896, 5067, 6324, 6696, 6756, 7344, 8432, 8928, 9008, 9486, 9571, 10134, 12648, 13392, 13512, 14229, 14688, 15201, 16864, 17453, 18016, 18972, 19142, 20268, 25296, 26784, 27024, 28458, 28713, 30402, 34906, 37944, 38284, 40536, 50592, 52359, 54048, 56916, 57426, 60804, 69812, 75888, 76568, 81072, 86139, 104718, 113832, 114852, 121608, 139624, 151776, 153136, 157077, 162144, 172278, 209436, 227664, 229704, 243216, 258417, 279248, 296701, 306272, 314154, 344556, 418872, 455328, 459408, 471231, 486432, 516834, 558496, 593402, 628308, 689112, 837744, 890103, 918816, 942462, 1033668, 1186804, 1256616, 1378224, 1675488, 1780206, 1884924, 2067336, 2373608, 2513232, 2670309, 2756448, 3560412, 3769848, 4134672, 4747216, 5026464, 5340618, 7120824, 7539696, 8010927, 8269344, 9494432, 10681236, 14241648, 15079392, 16021854, 21362472, 28483296, 32043708, 42724944, 64087416, 85449888, 128174832, 256349664]

約数ペア:

[(1, 256349664), (2, 128174832), (3, 85449888), (4, 64087416), (6, 42724944), (8, 32043708), (9, 28483296), (12, 21362472), (16, 16021854), (17, 15079392), (18, 14241648), (24, 10681236), (27, 9494432), (31, 8269344), (32, 8010927), (34, 7539696), (36, 7120824), (48, 5340618), (51, 5026464), (54, 4747216), (62, 4134672), (68, 3769848), (72, 3560412), (93, 2756448), (96, 2670309), (102, 2513232), (108, 2373608), (124, 2067336), (136, 1884924), (144, 1780206), (153, 1675488), (186, 1378224), (204, 1256616), (216, 1186804), (248, 1033668), (272, 942462), (279, 918816), (288, 890103), (306, 837744), (372, 689112), (408, 628308), (432, 593402), (459, 558496), (496, 516834), (527, 486432), (544, 471231), (558, 459408), (563, 455328), (612, 418872), (744, 344556), (816, 314154), (837, 306272), (864, 296701), (918, 279248), (992, 258417), (1054, 243216), (1116, 229704), (1126, 227664), (1224, 209436), (1488, 172278), (1581, 162144), (1632, 157077), (1674, 153136), (1689, 151776), (1836, 139624), (2108, 121608), (2232, 114852), (2252, 113832), (2448, 104718), (2976, 86139), (3162, 81072), (3348, 76568), (3378, 75888), (3672, 69812), (4216, 60804), (4464, 57426), (4504, 56916), (4743, 54048), (4896, 52359), (5067, 50592), (6324, 40536), (6696, 38284), (6756, 37944), (7344, 34906), (8432, 30402), (8928, 28713), (9008, 28458), (9486, 27024), (9571, 26784), (10134, 25296), (12648, 20268), (13392, 19142), (13512, 18972), (14229, 18016), (14688, 17453), (15201, 16864)]