1287731760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{15643}}^1$

素因数の和:15680

約数の個数: 160

約数和(自身を含む): 4655654400

約数和(自身を除く): 3367922640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3430, 3920, 4116, 5145, 5488, 5880, 6860, 8232, 10290, 11760, 13720, 15643, 16464, 20580, 27440, 31286, 41160, 46929, 62572, 78215, 82320, 93858, 109501, 125144, 156430, 187716, 219002, 234645, 250288, 312860, 328503, 375432, 438004, 469290, 547505, 625720, 657006, 750864, 766507, 876008, 938580, 1095010, 1251440, 1314012, 1533014, 1642515, 1752016, 1877160, 2190020, 2299521, 2628024, 3066028, 3285030, 3754320, 3832535, 4380040, 4599042, 5256048, 5365549, 6132056, 6570060, 7665070, 8760080, 9198084, 10731098, 11497605, 12264112, 13140120, 15330140, 16096647, 18396168, 21462196, 22995210, 26280240, 26827745, 30660280, 32193294, 36792336, 42924392, 45990420, 53655490, 61320560, 64386588, 80483235, 85848784, 91980840, 107310980, 128773176, 160966470, 183961680, 214621960, 257546352, 321932940, 429243920, 643865880, 1287731760]

約数ペア:

[(1, 1287731760), (2, 643865880), (3, 429243920), (4, 321932940), (5, 257546352), (6, 214621960), (7, 183961680), (8, 160966470), (10, 128773176), (12, 107310980), (14, 91980840), (15, 85848784), (16, 80483235), (20, 64386588), (21, 61320560), (24, 53655490), (28, 45990420), (30, 42924392), (35, 36792336), (40, 32193294), (42, 30660280), (48, 26827745), (49, 26280240), (56, 22995210), (60, 21462196), (70, 18396168), (80, 16096647), (84, 15330140), (98, 13140120), (105, 12264112), (112, 11497605), (120, 10731098), (140, 9198084), (147, 8760080), (168, 7665070), (196, 6570060), (210, 6132056), (240, 5365549), (245, 5256048), (280, 4599042), (294, 4380040), (336, 3832535), (343, 3754320), (392, 3285030), (420, 3066028), (490, 2628024), (560, 2299521), (588, 2190020), (686, 1877160), (735, 1752016), (784, 1642515), (840, 1533014), (980, 1314012), (1029, 1251440), (1176, 1095010), (1372, 938580), (1470, 876008), (1680, 766507), (1715, 750864), (1960, 657006), (2058, 625720), (2352, 547505), (2744, 469290), (2940, 438004), (3430, 375432), (3920, 328503), (4116, 312860), (5145, 250288), (5488, 234645), (5880, 219002), (6860, 187716), (8232, 156430), (10290, 125144), (11760, 109501), (13720, 93858), (15643, 82320), (16464, 78215), (20580, 62572), (27440, 46929), (31286, 41160)]