72321184

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 72

約数和(自身を含む): 158270112

約数和(自身を除く): 85948928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 169, 172, 208, 311, 338, 344, 416, 559, 622, 676, 688, 1118, 1244, 1352, 1376, 2236, 2488, 2704, 4043, 4472, 4976, 5408, 7267, 8086, 8944, 9952, 13373, 14534, 16172, 17888, 26746, 29068, 32344, 52559, 53492, 58136, 64688, 105118, 106984, 116272, 129376, 173849, 210236, 213968, 232544, 347698, 420472, 427936, 695396, 840944, 1390792, 1681888, 2260037, 2781584, 4520074, 5563168, 9040148, 18080296, 36160592, 72321184]

約数ペア:

[(1, 72321184), (2, 36160592), (4, 18080296), (8, 9040148), (13, 5563168), (16, 4520074), (26, 2781584), (32, 2260037), (43, 1681888), (52, 1390792), (86, 840944), (104, 695396), (169, 427936), (172, 420472), (208, 347698), (311, 232544), (338, 213968), (344, 210236), (416, 173849), (559, 129376), (622, 116272), (676, 106984), (688, 105118), (1118, 64688), (1244, 58136), (1352, 53492), (1376, 52559), (2236, 32344), (2488, 29068), (2704, 26746), (4043, 17888), (4472, 16172), (4976, 14534), (5408, 13373), (7267, 9952), (8086, 8944)]