15821856

素因数分解:

$2^5\times 3^2\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:554

約数の個数: 72

約数和(自身を含む): 45434844

約数和(自身を除く): 29612988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 137, 144, 274, 288, 401, 411, 548, 802, 822, 1096, 1203, 1233, 1604, 1644, 2192, 2406, 2466, 3208, 3288, 3609, 4384, 4812, 4932, 6416, 6576, 7218, 9624, 9864, 12832, 13152, 14436, 19248, 19728, 28872, 38496, 39456, 54937, 57744, 109874, 115488, 164811, 219748, 329622, 439496, 494433, 659244, 878992, 988866, 1318488, 1757984, 1977732, 2636976, 3955464, 5273952, 7910928, 15821856]

約数ペア:

[(1, 15821856), (2, 7910928), (3, 5273952), (4, 3955464), (6, 2636976), (8, 1977732), (9, 1757984), (12, 1318488), (16, 988866), (18, 878992), (24, 659244), (32, 494433), (36, 439496), (48, 329622), (72, 219748), (96, 164811), (137, 115488), (144, 109874), (274, 57744), (288, 54937), (401, 39456), (411, 38496), (548, 28872), (802, 19728), (822, 19248), (1096, 14436), (1203, 13152), (1233, 12832), (1604, 9864), (1644, 9624), (2192, 7218), (2406, 6576), (2466, 6416), (3208, 4932), (3288, 4812), (3609, 4384)]