208680840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 256

約数和(自身を含む): 752025600

約数和(自身を除く): 543344760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 31, 36, 40, 45, 46, 54, 60, 62, 69, 72, 90, 92, 93, 108, 115, 120, 124, 135, 138, 155, 180, 184, 186, 207, 216, 230, 248, 270, 271, 276, 279, 310, 345, 360, 372, 414, 460, 465, 540, 542, 552, 558, 620, 621, 690, 713, 744, 813, 828, 837, 920, 930, 1035, 1080, 1084, 1116, 1240, 1242, 1355, 1380, 1395, 1426, 1626, 1656, 1674, 1860, 2070, 2139, 2168, 2232, 2439, 2484, 2710, 2760, 2790, 2852, 3105, 3252, 3348, 3565, 3720, 4065, 4140, 4185, 4278, 4878, 4968, 5420, 5580, 5704, 6210, 6233, 6417, 6504, 6696, 7130, 7317, 8130, 8280, 8370, 8401, 8556, 9756, 10695, 10840, 11160, 12195, 12420, 12466, 12834, 14260, 14634, 16260, 16740, 16802, 17112, 18699, 19251, 19512, 21390, 24390, 24840, 24932, 25203, 25668, 28520, 29268, 31165, 32085, 32520, 33480, 33604, 36585, 37398, 38502, 42005, 42780, 48780, 49864, 50406, 51336, 56097, 58536, 62330, 64170, 67208, 73170, 74796, 75609, 77004, 84010, 85560, 93495, 96255, 97560, 100812, 112194, 124660, 126015, 128340, 146340, 149592, 151218, 154008, 168020, 168291, 186990, 192510, 193223, 201624, 224388, 226827, 249320, 252030, 256680, 280485, 292680, 302436, 336040, 336582, 373980, 378045, 385020, 386446, 448776, 453654, 504060, 560970, 579669, 604872, 673164, 747960, 756090, 770040, 772892, 841455, 907308, 966115, 1008120, 1121940, 1134135, 1159338, 1346328, 1512180, 1545784, 1682910, 1739007, 1814616, 1932230, 2243880, 2268270, 2318676, 2898345, 3024360, 3365820, 3478014, 3864460, 4536540, 4637352, 5217021, 5796690, 6731640, 6956028, 7728920, 8695035, 9073080, 10434042, 11593380, 13912056, 17390070, 20868084, 23186760, 26085105, 34780140, 41736168, 52170210, 69560280, 104340420, 208680840]

約数ペア:

[(1, 208680840), (2, 104340420), (3, 69560280), (4, 52170210), (5, 41736168), (6, 34780140), (8, 26085105), (9, 23186760), (10, 20868084), (12, 17390070), (15, 13912056), (18, 11593380), (20, 10434042), (23, 9073080), (24, 8695035), (27, 7728920), (30, 6956028), (31, 6731640), (36, 5796690), (40, 5217021), (45, 4637352), (46, 4536540), (54, 3864460), (60, 3478014), (62, 3365820), (69, 3024360), (72, 2898345), (90, 2318676), (92, 2268270), (93, 2243880), (108, 1932230), (115, 1814616), (120, 1739007), (124, 1682910), (135, 1545784), (138, 1512180), (155, 1346328), (180, 1159338), (184, 1134135), (186, 1121940), (207, 1008120), (216, 966115), (230, 907308), (248, 841455), (270, 772892), (271, 770040), (276, 756090), (279, 747960), (310, 673164), (345, 604872), (360, 579669), (372, 560970), (414, 504060), (460, 453654), (465, 448776), (540, 386446), (542, 385020), (552, 378045), (558, 373980), (620, 336582), (621, 336040), (690, 302436), (713, 292680), (744, 280485), (813, 256680), (828, 252030), (837, 249320), (920, 226827), (930, 224388), (1035, 201624), (1080, 193223), (1084, 192510), (1116, 186990), (1240, 168291), (1242, 168020), (1355, 154008), (1380, 151218), (1395, 149592), (1426, 146340), (1626, 128340), (1656, 126015), (1674, 124660), (1860, 112194), (2070, 100812), (2139, 97560), (2168, 96255), (2232, 93495), (2439, 85560), (2484, 84010), (2710, 77004), (2760, 75609), (2790, 74796), (2852, 73170), (3105, 67208), (3252, 64170), (3348, 62330), (3565, 58536), (3720, 56097), (4065, 51336), (4140, 50406), (4185, 49864), (4278, 48780), (4878, 42780), (4968, 42005), (5420, 38502), (5580, 37398), (5704, 36585), (6210, 33604), (6233, 33480), (6417, 32520), (6504, 32085), (6696, 31165), (7130, 29268), (7317, 28520), (8130, 25668), (8280, 25203), (8370, 24932), (8401, 24840), (8556, 24390), (9756, 21390), (10695, 19512), (10840, 19251), (11160, 18699), (12195, 17112), (12420, 16802), (12466, 16740), (12834, 16260), (14260, 14634)]