138968640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:757

約数の個数: 168

約数和(自身を含む): 485275128

約数和(自身を除く): 346306488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 192, 219, 240, 288, 292, 320, 360, 365, 438, 480, 576, 584, 657, 661, 720, 730, 876, 960, 1095, 1168, 1314, 1322, 1440, 1460, 1752, 1983, 2190, 2336, 2628, 2644, 2880, 2920, 3285, 3305, 3504, 3966, 4380, 4672, 5256, 5288, 5840, 5949, 6570, 6610, 7008, 7932, 8760, 9915, 10512, 10576, 11680, 11898, 13140, 13220, 14016, 15864, 17520, 19830, 21024, 21152, 23360, 23796, 26280, 26440, 29745, 31728, 35040, 39660, 42048, 42304, 47592, 48253, 52560, 52880, 59490, 63456, 70080, 79320, 95184, 96506, 105120, 105760, 118980, 126912, 144759, 158640, 190368, 193012, 210240, 211520, 237960, 241265, 289518, 317280, 380736, 386024, 434277, 475920, 482530, 579036, 634560, 723795, 772048, 868554, 951840, 965060, 1158072, 1447590, 1544096, 1737108, 1903680, 1930120, 2171385, 2316144, 2895180, 3088192, 3474216, 3860240, 4342770, 4632288, 5790360, 6948432, 7720480, 8685540, 9264576, 11580720, 13896864, 15440960, 17371080, 23161440, 27793728, 34742160, 46322880, 69484320, 138968640]

約数ペア:

[(1, 138968640), (2, 69484320), (3, 46322880), (4, 34742160), (5, 27793728), (6, 23161440), (8, 17371080), (9, 15440960), (10, 13896864), (12, 11580720), (15, 9264576), (16, 8685540), (18, 7720480), (20, 6948432), (24, 5790360), (30, 4632288), (32, 4342770), (36, 3860240), (40, 3474216), (45, 3088192), (48, 2895180), (60, 2316144), (64, 2171385), (72, 1930120), (73, 1903680), (80, 1737108), (90, 1544096), (96, 1447590), (120, 1158072), (144, 965060), (146, 951840), (160, 868554), (180, 772048), (192, 723795), (219, 634560), (240, 579036), (288, 482530), (292, 475920), (320, 434277), (360, 386024), (365, 380736), (438, 317280), (480, 289518), (576, 241265), (584, 237960), (657, 211520), (661, 210240), (720, 193012), (730, 190368), (876, 158640), (960, 144759), (1095, 126912), (1168, 118980), (1314, 105760), (1322, 105120), (1440, 96506), (1460, 95184), (1752, 79320), (1983, 70080), (2190, 63456), (2336, 59490), (2628, 52880), (2644, 52560), (2880, 48253), (2920, 47592), (3285, 42304), (3305, 42048), (3504, 39660), (3966, 35040), (4380, 31728), (4672, 29745), (5256, 26440), (5288, 26280), (5840, 23796), (5949, 23360), (6570, 21152), (6610, 21024), (7008, 19830), (7932, 17520), (8760, 15864), (9915, 14016), (10512, 13220), (10576, 13140), (11680, 11898)]