388160520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1873}}^1$

素因数の和:2055

約数の個数: 128

約数和(自身を含む): 1279117440

約数和(自身を除く): 890956920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 157, 165, 220, 264, 314, 330, 440, 471, 628, 660, 785, 942, 1256, 1320, 1570, 1727, 1873, 1884, 2355, 3140, 3454, 3746, 3768, 4710, 5181, 5619, 6280, 6908, 7492, 8635, 9365, 9420, 10362, 11238, 13816, 14984, 17270, 18730, 18840, 20603, 20724, 22476, 25905, 28095, 34540, 37460, 41206, 41448, 44952, 51810, 56190, 61809, 69080, 74920, 82412, 103015, 103620, 112380, 123618, 164824, 206030, 207240, 224760, 247236, 294061, 309045, 412060, 494472, 588122, 618090, 824120, 882183, 1176244, 1236180, 1470305, 1764366, 2352488, 2472360, 2940610, 3234671, 3528732, 4410915, 5881220, 6469342, 7057464, 8821830, 9704013, 11762440, 12938684, 16173355, 17643660, 19408026, 25877368, 32346710, 35287320, 38816052, 48520065, 64693420, 77632104, 97040130, 129386840, 194080260, 388160520]

約数ペア:

[(1, 388160520), (2, 194080260), (3, 129386840), (4, 97040130), (5, 77632104), (6, 64693420), (8, 48520065), (10, 38816052), (11, 35287320), (12, 32346710), (15, 25877368), (20, 19408026), (22, 17643660), (24, 16173355), (30, 12938684), (33, 11762440), (40, 9704013), (44, 8821830), (55, 7057464), (60, 6469342), (66, 5881220), (88, 4410915), (110, 3528732), (120, 3234671), (132, 2940610), (157, 2472360), (165, 2352488), (220, 1764366), (264, 1470305), (314, 1236180), (330, 1176244), (440, 882183), (471, 824120), (628, 618090), (660, 588122), (785, 494472), (942, 412060), (1256, 309045), (1320, 294061), (1570, 247236), (1727, 224760), (1873, 207240), (1884, 206030), (2355, 164824), (3140, 123618), (3454, 112380), (3746, 103620), (3768, 103015), (4710, 82412), (5181, 74920), (5619, 69080), (6280, 61809), (6908, 56190), (7492, 51810), (8635, 44952), (9365, 41448), (9420, 41206), (10362, 37460), (11238, 34540), (13816, 28095), (14984, 25905), (17270, 22476), (18730, 20724), (18840, 20603)]