81749664

素因数分解:

$2^5\times 3^2\times {\mathrm{373}}^1\times {\mathrm{761}}^1$

素因数の和:1150

約数の個数: 72

約数和(自身を含む): 233405172

約数和(自身を除く): 151655508

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 373, 746, 761, 1119, 1492, 1522, 2238, 2283, 2984, 3044, 3357, 4476, 4566, 5968, 6088, 6714, 6849, 8952, 9132, 11936, 12176, 13428, 13698, 17904, 18264, 24352, 26856, 27396, 35808, 36528, 53712, 54792, 73056, 107424, 109584, 219168, 283853, 567706, 851559, 1135412, 1703118, 2270824, 2554677, 3406236, 4541648, 5109354, 6812472, 9083296, 10218708, 13624944, 20437416, 27249888, 40874832, 81749664]

約数ペア:

[(1, 81749664), (2, 40874832), (3, 27249888), (4, 20437416), (6, 13624944), (8, 10218708), (9, 9083296), (12, 6812472), (16, 5109354), (18, 4541648), (24, 3406236), (32, 2554677), (36, 2270824), (48, 1703118), (72, 1135412), (96, 851559), (144, 567706), (288, 283853), (373, 219168), (746, 109584), (761, 107424), (1119, 73056), (1492, 54792), (1522, 53712), (2238, 36528), (2283, 35808), (2984, 27396), (3044, 26856), (3357, 24352), (4476, 18264), (4566, 17904), (5968, 13698), (6088, 13428), (6714, 12176), (6849, 11936), (8952, 9132)]