51875280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:789

約数の個数: 120

約数和(自身を含む): 176078760

約数和(自身を除く): 124203480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 661, 720, 872, 981, 1090, 1308, 1322, 1635, 1744, 1962, 1983, 2180, 2616, 2644, 3270, 3305, 3924, 3966, 4360, 4905, 5232, 5288, 5949, 6540, 6610, 7848, 7932, 8720, 9810, 9915, 10576, 11898, 13080, 13220, 15696, 15864, 19620, 19830, 23796, 26160, 26440, 29745, 31728, 39240, 39660, 47592, 52880, 59490, 72049, 78480, 79320, 95184, 118980, 144098, 158640, 216147, 237960, 288196, 360245, 432294, 475920, 576392, 648441, 720490, 864588, 1080735, 1152784, 1296882, 1440980, 1729176, 2161470, 2593764, 2881960, 3242205, 3458352, 4322940, 5187528, 5763920, 6484410, 8645880, 10375056, 12968820, 17291760, 25937640, 51875280]

約数ペア:

[(1, 51875280), (2, 25937640), (3, 17291760), (4, 12968820), (5, 10375056), (6, 8645880), (8, 6484410), (9, 5763920), (10, 5187528), (12, 4322940), (15, 3458352), (16, 3242205), (18, 2881960), (20, 2593764), (24, 2161470), (30, 1729176), (36, 1440980), (40, 1296882), (45, 1152784), (48, 1080735), (60, 864588), (72, 720490), (80, 648441), (90, 576392), (109, 475920), (120, 432294), (144, 360245), (180, 288196), (218, 237960), (240, 216147), (327, 158640), (360, 144098), (436, 118980), (545, 95184), (654, 79320), (661, 78480), (720, 72049), (872, 59490), (981, 52880), (1090, 47592), (1308, 39660), (1322, 39240), (1635, 31728), (1744, 29745), (1962, 26440), (1983, 26160), (2180, 23796), (2616, 19830), (2644, 19620), (3270, 15864), (3305, 15696), (3924, 13220), (3966, 13080), (4360, 11898), (4905, 10576), (5232, 9915), (5288, 9810), (5949, 8720), (6540, 7932), (6610, 7848)]