1212126720

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{3221}}^1$

素因数の和:3261

約数の個数: 240

約数和(自身を含む): 4509073008

約数和(自身を除く): 3296946288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1120, 1176, 1280, 1344, 1470, 1536, 1568, 1680, 1792, 1920, 1960, 2240, 2352, 2560, 2688, 2940, 3136, 3221, 3360, 3584, 3840, 3920, 4480, 4704, 5376, 5880, 6272, 6442, 6720, 7680, 7840, 8960, 9408, 9663, 10752, 11760, 12544, 12884, 13440, 15680, 16105, 17920, 18816, 19326, 22547, 23520, 25088, 25768, 26880, 31360, 32210, 37632, 38652, 45094, 47040, 48315, 51536, 53760, 62720, 64420, 67641, 75264, 77304, 90188, 94080, 96630, 103072, 112735, 125440, 128840, 135282, 154608, 157829, 180376, 188160, 193260, 206144, 225470, 257680, 270564, 309216, 315658, 338205, 360752, 376320, 386520, 412288, 450940, 473487, 515360, 541128, 618432, 631316, 676410, 721504, 773040, 789145, 824576, 901880, 946974, 1030720, 1082256, 1236864, 1262632, 1352820, 1443008, 1546080, 1578290, 1649152, 1803760, 1893948, 2061440, 2164512, 2367435, 2473728, 2525264, 2705640, 2886016, 3092160, 3156580, 3607520, 3787896, 4122880, 4329024, 4734870, 4947456, 5050528, 5411280, 5772032, 6184320, 6313160, 7215040, 7575792, 8245760, 8658048, 9469740, 10101056, 10822560, 11544064, 12368640, 12626320, 14430080, 15151584, 17316096, 18939480, 20202112, 21645120, 24737280, 25252640, 28860160, 30303168, 34632192, 37878960, 40404224, 43290240, 50505280, 57720320, 60606336, 75757920, 80808448, 86580480, 101010560, 121212672, 151515840, 173160960, 202021120, 242425344, 303031680, 404042240, 606063360, 1212126720]

約数ペア:

[(1, 1212126720), (2, 606063360), (3, 404042240), (4, 303031680), (5, 242425344), (6, 202021120), (7, 173160960), (8, 151515840), (10, 121212672), (12, 101010560), (14, 86580480), (15, 80808448), (16, 75757920), (20, 60606336), (21, 57720320), (24, 50505280), (28, 43290240), (30, 40404224), (32, 37878960), (35, 34632192), (40, 30303168), (42, 28860160), (48, 25252640), (49, 24737280), (56, 21645120), (60, 20202112), (64, 18939480), (70, 17316096), (80, 15151584), (84, 14430080), (96, 12626320), (98, 12368640), (105, 11544064), (112, 10822560), (120, 10101056), (128, 9469740), (140, 8658048), (147, 8245760), (160, 7575792), (168, 7215040), (192, 6313160), (196, 6184320), (210, 5772032), (224, 5411280), (240, 5050528), (245, 4947456), (256, 4734870), (280, 4329024), (294, 4122880), (320, 3787896), (336, 3607520), (384, 3156580), (392, 3092160), (420, 2886016), (448, 2705640), (480, 2525264), (490, 2473728), (512, 2367435), (560, 2164512), (588, 2061440), (640, 1893948), (672, 1803760), (735, 1649152), (768, 1578290), (784, 1546080), (840, 1443008), (896, 1352820), (960, 1262632), (980, 1236864), (1120, 1082256), (1176, 1030720), (1280, 946974), (1344, 901880), (1470, 824576), (1536, 789145), (1568, 773040), (1680, 721504), (1792, 676410), (1920, 631316), (1960, 618432), (2240, 541128), (2352, 515360), (2560, 473487), (2688, 450940), (2940, 412288), (3136, 386520), (3221, 376320), (3360, 360752), (3584, 338205), (3840, 315658), (3920, 309216), (4480, 270564), (4704, 257680), (5376, 225470), (5880, 206144), (6272, 193260), (6442, 188160), (6720, 180376), (7680, 157829), (7840, 154608), (8960, 135282), (9408, 128840), (9663, 125440), (10752, 112735), (11760, 103072), (12544, 96630), (12884, 94080), (13440, 90188), (15680, 77304), (16105, 75264), (17920, 67641), (18816, 64420), (19326, 62720), (22547, 53760), (23520, 51536), (25088, 48315), (25768, 47040), (26880, 45094), (31360, 38652), (32210, 37632)]