12820248

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 41664000

約数和(自身を除く): 28843752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 61, 63, 72, 84, 108, 122, 126, 139, 168, 183, 189, 216, 244, 252, 278, 366, 378, 417, 427, 488, 504, 549, 556, 732, 756, 834, 854, 973, 1098, 1112, 1251, 1281, 1464, 1512, 1647, 1668, 1708, 1946, 2196, 2502, 2562, 2919, 3294, 3336, 3416, 3753, 3843, 3892, 4392, 5004, 5124, 5838, 6588, 7506, 7686, 7784, 8479, 8757, 10008, 10248, 11529, 11676, 13176, 15012, 15372, 16958, 17514, 23058, 23352, 25437, 26271, 30024, 30744, 33916, 35028, 46116, 50874, 52542, 59353, 67832, 70056, 76311, 92232, 101748, 105084, 118706, 152622, 178059, 203496, 210168, 228933, 237412, 305244, 356118, 457866, 474824, 534177, 610488, 712236, 915732, 1068354, 1424472, 1602531, 1831464, 2136708, 3205062, 4273416, 6410124, 12820248]

約数ペア:

[(1, 12820248), (2, 6410124), (3, 4273416), (4, 3205062), (6, 2136708), (7, 1831464), (8, 1602531), (9, 1424472), (12, 1068354), (14, 915732), (18, 712236), (21, 610488), (24, 534177), (27, 474824), (28, 457866), (36, 356118), (42, 305244), (54, 237412), (56, 228933), (61, 210168), (63, 203496), (72, 178059), (84, 152622), (108, 118706), (122, 105084), (126, 101748), (139, 92232), (168, 76311), (183, 70056), (189, 67832), (216, 59353), (244, 52542), (252, 50874), (278, 46116), (366, 35028), (378, 33916), (417, 30744), (427, 30024), (488, 26271), (504, 25437), (549, 23352), (556, 23058), (732, 17514), (756, 16958), (834, 15372), (854, 15012), (973, 13176), (1098, 11676), (1112, 11529), (1251, 10248), (1281, 10008), (1464, 8757), (1512, 8479), (1647, 7784), (1668, 7686), (1708, 7506), (1946, 6588), (2196, 5838), (2502, 5124), (2562, 5004), (2919, 4392), (3294, 3892), (3336, 3843), (3416, 3753)]