207521820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:832

約数の個数: 144

約数和(自身を含む): 691996032

約数和(自身を除く): 484474212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 163, 165, 180, 198, 220, 326, 330, 396, 489, 495, 643, 652, 660, 815, 978, 990, 1286, 1467, 1630, 1793, 1929, 1956, 1980, 2445, 2572, 2934, 3215, 3260, 3586, 3858, 4890, 5379, 5787, 5868, 6430, 7073, 7172, 7335, 7716, 8965, 9645, 9780, 10758, 11574, 12860, 14146, 14670, 16137, 17930, 19290, 21219, 21516, 23148, 26895, 28292, 28935, 29340, 32274, 35365, 35860, 38580, 42438, 53790, 57870, 63657, 64548, 70730, 80685, 84876, 104809, 106095, 107580, 115740, 127314, 141460, 161370, 209618, 212190, 254628, 314427, 318285, 322740, 419236, 424380, 524045, 628854, 636570, 943281, 1048090, 1152899, 1257708, 1273140, 1572135, 1886562, 2096180, 2305798, 3144270, 3458697, 3773124, 4611596, 4716405, 5764495, 6288540, 6917394, 9432810, 10376091, 11528990, 13834788, 17293485, 18865620, 20752182, 23057980, 34586970, 41504364, 51880455, 69173940, 103760910, 207521820]

約数ペア:

[(1, 207521820), (2, 103760910), (3, 69173940), (4, 51880455), (5, 41504364), (6, 34586970), (9, 23057980), (10, 20752182), (11, 18865620), (12, 17293485), (15, 13834788), (18, 11528990), (20, 10376091), (22, 9432810), (30, 6917394), (33, 6288540), (36, 5764495), (44, 4716405), (45, 4611596), (55, 3773124), (60, 3458697), (66, 3144270), (90, 2305798), (99, 2096180), (110, 1886562), (132, 1572135), (163, 1273140), (165, 1257708), (180, 1152899), (198, 1048090), (220, 943281), (326, 636570), (330, 628854), (396, 524045), (489, 424380), (495, 419236), (643, 322740), (652, 318285), (660, 314427), (815, 254628), (978, 212190), (990, 209618), (1286, 161370), (1467, 141460), (1630, 127314), (1793, 115740), (1929, 107580), (1956, 106095), (1980, 104809), (2445, 84876), (2572, 80685), (2934, 70730), (3215, 64548), (3260, 63657), (3586, 57870), (3858, 53790), (4890, 42438), (5379, 38580), (5787, 35860), (5868, 35365), (6430, 32274), (7073, 29340), (7172, 28935), (7335, 28292), (7716, 26895), (8965, 23148), (9645, 21516), (9780, 21219), (10758, 19290), (11574, 17930), (12860, 16137), (14146, 14670)]