218352120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{259943}}^1$

素因数の和:259964

約数の個数: 64

約数和(自身を含む): 748638720

約数和(自身を除く): 530286600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 259943, 519886, 779829, 1039772, 1299715, 1559658, 1819601, 2079544, 2599430, 3119316, 3639202, 3899145, 5198860, 5458803, 6238632, 7278404, 7798290, 9098005, 10397720, 10917606, 14556808, 15596580, 18196010, 21835212, 27294015, 31193160, 36392020, 43670424, 54588030, 72784040, 109176060, 218352120]

約数ペア:

[(1, 218352120), (2, 109176060), (3, 72784040), (4, 54588030), (5, 43670424), (6, 36392020), (7, 31193160), (8, 27294015), (10, 21835212), (12, 18196010), (14, 15596580), (15, 14556808), (20, 10917606), (21, 10397720), (24, 9098005), (28, 7798290), (30, 7278404), (35, 6238632), (40, 5458803), (42, 5198860), (56, 3899145), (60, 3639202), (70, 3119316), (84, 2599430), (105, 2079544), (120, 1819601), (140, 1559658), (168, 1299715), (210, 1039772), (280, 779829), (420, 519886), (840, 259943)]