49806480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1493}}^1$

素因数の和:1648

約数の個数: 80

約数和(自身を含む): 155615040

約数和(自身を除く): 105808560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 1112, 1390, 1493, 1668, 2085, 2224, 2780, 2986, 3336, 4170, 4479, 5560, 5972, 6672, 7465, 8340, 8958, 11120, 11944, 14930, 16680, 17916, 22395, 23888, 29860, 33360, 35832, 44790, 59720, 71664, 89580, 119440, 179160, 207527, 358320, 415054, 622581, 830108, 1037635, 1245162, 1660216, 2075270, 2490324, 3112905, 3320432, 4150540, 4980648, 6225810, 8301080, 9961296, 12451620, 16602160, 24903240, 49806480]

約数ペア:

[(1, 49806480), (2, 24903240), (3, 16602160), (4, 12451620), (5, 9961296), (6, 8301080), (8, 6225810), (10, 4980648), (12, 4150540), (15, 3320432), (16, 3112905), (20, 2490324), (24, 2075270), (30, 1660216), (40, 1245162), (48, 1037635), (60, 830108), (80, 622581), (120, 415054), (139, 358320), (240, 207527), (278, 179160), (417, 119440), (556, 89580), (695, 71664), (834, 59720), (1112, 44790), (1390, 35832), (1493, 33360), (1668, 29860), (2085, 23888), (2224, 22395), (2780, 17916), (2986, 16680), (3336, 14930), (4170, 11944), (4479, 11120), (5560, 8958), (5972, 8340), (6672, 7465)]