161028120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2837}}^1$

素因数の和:2905

約数の個数: 128

約数和(自身を含む): 539447040

約数和(自身を除く): 378418920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2365, 2580, 2837, 2838, 3784, 4730, 5160, 5674, 5676, 7095, 8511, 9460, 11348, 11352, 14185, 14190, 17022, 18920, 22696, 28370, 28380, 31207, 34044, 42555, 56740, 56760, 62414, 68088, 85110, 93621, 113480, 121991, 124828, 156035, 170220, 187242, 243982, 249656, 312070, 340440, 365973, 374484, 468105, 487964, 609955, 624140, 731946, 748968, 936210, 975928, 1219910, 1248280, 1341901, 1463892, 1829865, 1872420, 2439820, 2683802, 2927784, 3659730, 3744840, 4025703, 4879640, 5367604, 6709505, 7319460, 8051406, 10735208, 13419010, 14638920, 16102812, 20128515, 26838020, 32205624, 40257030, 53676040, 80514060, 161028120]

約数ペア:

[(1, 161028120), (2, 80514060), (3, 53676040), (4, 40257030), (5, 32205624), (6, 26838020), (8, 20128515), (10, 16102812), (11, 14638920), (12, 13419010), (15, 10735208), (20, 8051406), (22, 7319460), (24, 6709505), (30, 5367604), (33, 4879640), (40, 4025703), (43, 3744840), (44, 3659730), (55, 2927784), (60, 2683802), (66, 2439820), (86, 1872420), (88, 1829865), (110, 1463892), (120, 1341901), (129, 1248280), (132, 1219910), (165, 975928), (172, 936210), (215, 748968), (220, 731946), (258, 624140), (264, 609955), (330, 487964), (344, 468105), (430, 374484), (440, 365973), (473, 340440), (516, 312070), (645, 249656), (660, 243982), (860, 187242), (946, 170220), (1032, 156035), (1290, 124828), (1320, 121991), (1419, 113480), (1720, 93621), (1892, 85110), (2365, 68088), (2580, 62414), (2837, 56760), (2838, 56740), (3784, 42555), (4730, 34044), (5160, 31207), (5674, 28380), (5676, 28370), (7095, 22696), (8511, 18920), (9460, 17022), (11348, 14190), (11352, 14185)]