18082960

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{659}}^1$

素因数の和:693

約数の個数: 80

約数和(自身を含む): 49104000

約数和(自身を除く): 31021040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 659, 686, 784, 980, 1318, 1372, 1715, 1960, 2636, 2744, 3295, 3430, 3920, 4613, 5272, 5488, 6590, 6860, 9226, 10544, 13180, 13720, 18452, 23065, 26360, 27440, 32291, 36904, 46130, 52720, 64582, 73808, 92260, 129164, 161455, 184520, 226037, 258328, 322910, 369040, 452074, 516656, 645820, 904148, 1130185, 1291640, 1808296, 2260370, 2583280, 3616592, 4520740, 9041480, 18082960]

約数ペア:

[(1, 18082960), (2, 9041480), (4, 4520740), (5, 3616592), (7, 2583280), (8, 2260370), (10, 1808296), (14, 1291640), (16, 1130185), (20, 904148), (28, 645820), (35, 516656), (40, 452074), (49, 369040), (56, 322910), (70, 258328), (80, 226037), (98, 184520), (112, 161455), (140, 129164), (196, 92260), (245, 73808), (280, 64582), (343, 52720), (392, 46130), (490, 36904), (560, 32291), (659, 27440), (686, 26360), (784, 23065), (980, 18452), (1318, 13720), (1372, 13180), (1715, 10544), (1960, 9226), (2636, 6860), (2744, 6590), (3295, 5488), (3430, 5272), (3920, 4613)]