1221211728

素因数分解:

$2^4\times 3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5039}}^1$

素因数の和:5087

約数の個数: 200

約数和(自身を含む): 4083488640

約数和(自身を除く): 2862276912

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 27, 33, 34, 36, 44, 48, 51, 54, 66, 68, 72, 81, 88, 99, 102, 108, 132, 136, 144, 153, 162, 176, 187, 198, 204, 216, 264, 272, 297, 306, 324, 374, 396, 408, 432, 459, 528, 561, 594, 612, 648, 748, 792, 816, 891, 918, 1122, 1188, 1224, 1296, 1377, 1496, 1584, 1683, 1782, 1836, 2244, 2376, 2448, 2754, 2992, 3366, 3564, 3672, 4488, 4752, 5039, 5049, 5508, 6732, 7128, 7344, 8976, 10078, 10098, 11016, 13464, 14256, 15117, 15147, 20156, 20196, 22032, 26928, 30234, 30294, 40312, 40392, 45351, 55429, 60468, 60588, 80624, 80784, 85663, 90702, 110858, 120936, 121176, 136053, 166287, 171326, 181404, 221716, 241872, 242352, 256989, 272106, 332574, 342652, 362808, 408159, 443432, 498861, 513978, 544212, 665148, 685304, 725616, 770967, 816318, 886864, 942293, 997722, 1027956, 1088424, 1330296, 1370608, 1496583, 1541934, 1632636, 1884586, 1995444, 2055912, 2176848, 2312901, 2660592, 2826879, 2993166, 3083868, 3265272, 3769172, 3990888, 4111824, 4489749, 4625802, 5653758, 5986332, 6167736, 6530544, 6938703, 7538344, 7981776, 8480637, 8979498, 9251604, 11307516, 11972664, 12335472, 13877406, 15076688, 16961274, 17958996, 18503208, 22615032, 23945328, 25441911, 27754812, 33922548, 35917992, 37006416, 45230064, 50883822, 55509624, 67845096, 71835984, 76325733, 101767644, 111019248, 135690192, 152651466, 203535288, 305302932, 407070576, 610605864, 1221211728]

約数ペア:

[(1, 1221211728), (2, 610605864), (3, 407070576), (4, 305302932), (6, 203535288), (8, 152651466), (9, 135690192), (11, 111019248), (12, 101767644), (16, 76325733), (17, 71835984), (18, 67845096), (22, 55509624), (24, 50883822), (27, 45230064), (33, 37006416), (34, 35917992), (36, 33922548), (44, 27754812), (48, 25441911), (51, 23945328), (54, 22615032), (66, 18503208), (68, 17958996), (72, 16961274), (81, 15076688), (88, 13877406), (99, 12335472), (102, 11972664), (108, 11307516), (132, 9251604), (136, 8979498), (144, 8480637), (153, 7981776), (162, 7538344), (176, 6938703), (187, 6530544), (198, 6167736), (204, 5986332), (216, 5653758), (264, 4625802), (272, 4489749), (297, 4111824), (306, 3990888), (324, 3769172), (374, 3265272), (396, 3083868), (408, 2993166), (432, 2826879), (459, 2660592), (528, 2312901), (561, 2176848), (594, 2055912), (612, 1995444), (648, 1884586), (748, 1632636), (792, 1541934), (816, 1496583), (891, 1370608), (918, 1330296), (1122, 1088424), (1188, 1027956), (1224, 997722), (1296, 942293), (1377, 886864), (1496, 816318), (1584, 770967), (1683, 725616), (1782, 685304), (1836, 665148), (2244, 544212), (2376, 513978), (2448, 498861), (2754, 443432), (2992, 408159), (3366, 362808), (3564, 342652), (3672, 332574), (4488, 272106), (4752, 256989), (5039, 242352), (5049, 241872), (5508, 221716), (6732, 181404), (7128, 171326), (7344, 166287), (8976, 136053), (10078, 121176), (10098, 120936), (11016, 110858), (13464, 90702), (14256, 85663), (15117, 80784), (15147, 80624), (20156, 60588), (20196, 60468), (22032, 55429), (26928, 45351), (30234, 40392), (30294, 40312)]