78806640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29851}}^1$

素因数の和:29878

約数の個数: 80

約数和(自身を含む): 266518656

約数和(自身を除く): 187712016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 29851, 59702, 89553, 119404, 149255, 179106, 238808, 298510, 328361, 358212, 447765, 477616, 597020, 656722, 716424, 895530, 985083, 1194040, 1313444, 1432848, 1641805, 1791060, 1970166, 2388080, 2626888, 3283610, 3582120, 3940332, 4925415, 5253776, 6567220, 7164240, 7880664, 9850830, 13134440, 15761328, 19701660, 26268880, 39403320, 78806640]

約数ペア:

[(1, 78806640), (2, 39403320), (3, 26268880), (4, 19701660), (5, 15761328), (6, 13134440), (8, 9850830), (10, 7880664), (11, 7164240), (12, 6567220), (15, 5253776), (16, 4925415), (20, 3940332), (22, 3582120), (24, 3283610), (30, 2626888), (33, 2388080), (40, 1970166), (44, 1791060), (48, 1641805), (55, 1432848), (60, 1313444), (66, 1194040), (80, 985083), (88, 895530), (110, 716424), (120, 656722), (132, 597020), (165, 477616), (176, 447765), (220, 358212), (240, 328361), (264, 298510), (330, 238808), (440, 179106), (528, 149255), (660, 119404), (880, 89553), (1320, 59702), (2640, 29851)]