181325520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:810

約数の個数: 160

約数和(自身を含む): 630435840

約数和(自身を除く): 449110320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 127, 135, 144, 180, 216, 240, 254, 270, 360, 381, 432, 508, 540, 635, 661, 720, 762, 1016, 1080, 1143, 1270, 1322, 1524, 1905, 1983, 2032, 2160, 2286, 2540, 2644, 3048, 3305, 3429, 3810, 3966, 4572, 5080, 5288, 5715, 5949, 6096, 6610, 6858, 7620, 7932, 9144, 9915, 10160, 10576, 11430, 11898, 13220, 13716, 15240, 15864, 17145, 17847, 18288, 19830, 22860, 23796, 26440, 27432, 29745, 30480, 31728, 34290, 35694, 39660, 45720, 47592, 52880, 54864, 59490, 68580, 71388, 79320, 83947, 89235, 91440, 95184, 118980, 137160, 142776, 158640, 167894, 178470, 237960, 251841, 274320, 285552, 335788, 356940, 419735, 475920, 503682, 671576, 713880, 755523, 839470, 1007364, 1259205, 1343152, 1427760, 1511046, 1678940, 2014728, 2266569, 2518410, 3022092, 3357880, 3777615, 4029456, 4533138, 5036820, 6044184, 6715760, 7555230, 9066276, 10073640, 11332845, 12088368, 15110460, 18132552, 20147280, 22665690, 30220920, 36265104, 45331380, 60441840, 90662760, 181325520]

約数ペア:

[(1, 181325520), (2, 90662760), (3, 60441840), (4, 45331380), (5, 36265104), (6, 30220920), (8, 22665690), (9, 20147280), (10, 18132552), (12, 15110460), (15, 12088368), (16, 11332845), (18, 10073640), (20, 9066276), (24, 7555230), (27, 6715760), (30, 6044184), (36, 5036820), (40, 4533138), (45, 4029456), (48, 3777615), (54, 3357880), (60, 3022092), (72, 2518410), (80, 2266569), (90, 2014728), (108, 1678940), (120, 1511046), (127, 1427760), (135, 1343152), (144, 1259205), (180, 1007364), (216, 839470), (240, 755523), (254, 713880), (270, 671576), (360, 503682), (381, 475920), (432, 419735), (508, 356940), (540, 335788), (635, 285552), (661, 274320), (720, 251841), (762, 237960), (1016, 178470), (1080, 167894), (1143, 158640), (1270, 142776), (1322, 137160), (1524, 118980), (1905, 95184), (1983, 91440), (2032, 89235), (2160, 83947), (2286, 79320), (2540, 71388), (2644, 68580), (3048, 59490), (3305, 54864), (3429, 52880), (3810, 47592), (3966, 45720), (4572, 39660), (5080, 35694), (5288, 34290), (5715, 31728), (5949, 30480), (6096, 29745), (6610, 27432), (6858, 26440), (7620, 23796), (7932, 22860), (9144, 19830), (9915, 18288), (10160, 17847), (10576, 17145), (11430, 15864), (11898, 15240), (13220, 13716)]