211963920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:753

約数の個数: 160

約数和(自身を含む): 755308800

約数和(自身を除く): 543344880

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, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 281, 336, 420, 449, 560, 562, 840, 843, 898, 1124, 1347, 1405, 1680, 1686, 1796, 1967, 2245, 2248, 2694, 2810, 3143, 3372, 3592, 3934, 4215, 4490, 4496, 5388, 5620, 5901, 6286, 6735, 6744, 7184, 7868, 8430, 8980, 9429, 9835, 10776, 11240, 11802, 12572, 13470, 13488, 15715, 15736, 16860, 17960, 18858, 19670, 21552, 22480, 23604, 25144, 26940, 29505, 31430, 31472, 33720, 35920, 37716, 39340, 47145, 47208, 50288, 53880, 59010, 62860, 67440, 75432, 78680, 94290, 94416, 107760, 118020, 125720, 126169, 150864, 157360, 188580, 236040, 251440, 252338, 377160, 378507, 472080, 504676, 630845, 754320, 757014, 883183, 1009352, 1261690, 1514028, 1766366, 1892535, 2018704, 2523380, 2649549, 3028056, 3532732, 3785070, 4415915, 5046760, 5299098, 6056112, 7065464, 7570140, 8831830, 10093520, 10598196, 13247745, 14130928, 15140280, 17663660, 21196392, 26495490, 30280560, 35327320, 42392784, 52990980, 70654640, 105981960, 211963920]

約数ペア:

[(1, 211963920), (2, 105981960), (3, 70654640), (4, 52990980), (5, 42392784), (6, 35327320), (7, 30280560), (8, 26495490), (10, 21196392), (12, 17663660), (14, 15140280), (15, 14130928), (16, 13247745), (20, 10598196), (21, 10093520), (24, 8831830), (28, 7570140), (30, 7065464), (35, 6056112), (40, 5299098), (42, 5046760), (48, 4415915), (56, 3785070), (60, 3532732), (70, 3028056), (80, 2649549), (84, 2523380), (105, 2018704), (112, 1892535), (120, 1766366), (140, 1514028), (168, 1261690), (210, 1009352), (240, 883183), (280, 757014), (281, 754320), (336, 630845), (420, 504676), (449, 472080), (560, 378507), (562, 377160), (840, 252338), (843, 251440), (898, 236040), (1124, 188580), (1347, 157360), (1405, 150864), (1680, 126169), (1686, 125720), (1796, 118020), (1967, 107760), (2245, 94416), (2248, 94290), (2694, 78680), (2810, 75432), (3143, 67440), (3372, 62860), (3592, 59010), (3934, 53880), (4215, 50288), (4490, 47208), (4496, 47145), (5388, 39340), (5620, 37716), (5901, 35920), (6286, 33720), (6735, 31472), (6744, 31430), (7184, 29505), (7868, 26940), (8430, 25144), (8980, 23604), (9429, 22480), (9835, 21552), (10776, 19670), (11240, 18858), (11802, 17960), (12572, 16860), (13470, 15736), (13488, 15715)]