243710720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:962

約数の個数: 144

約数和(自身を含む): 671086080

約数和(自身を除く): 427375360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 256, 304, 320, 352, 380, 418, 440, 608, 640, 704, 760, 836, 880, 911, 1045, 1216, 1280, 1408, 1520, 1672, 1760, 1822, 2090, 2432, 2816, 3040, 3344, 3520, 3644, 4180, 4555, 4864, 6080, 6688, 7040, 7288, 8360, 9110, 10021, 12160, 13376, 14080, 14576, 16720, 17309, 18220, 20042, 24320, 26752, 29152, 33440, 34618, 36440, 40084, 50105, 53504, 58304, 66880, 69236, 72880, 80168, 86545, 100210, 116608, 133760, 138472, 145760, 160336, 173090, 190399, 200420, 233216, 267520, 276944, 291520, 320672, 346180, 380798, 400840, 553888, 583040, 641344, 692360, 761596, 801680, 951995, 1107776, 1166080, 1282688, 1384720, 1523192, 1603360, 1903990, 2215552, 2565376, 2769440, 3046384, 3206720, 3807980, 4431104, 5538880, 6092768, 6413440, 7615960, 11077760, 12185536, 12826880, 15231920, 22155520, 24371072, 30463840, 48742144, 60927680, 121855360, 243710720]

約数ペア:

[(1, 243710720), (2, 121855360), (4, 60927680), (5, 48742144), (8, 30463840), (10, 24371072), (11, 22155520), (16, 15231920), (19, 12826880), (20, 12185536), (22, 11077760), (32, 7615960), (38, 6413440), (40, 6092768), (44, 5538880), (55, 4431104), (64, 3807980), (76, 3206720), (80, 3046384), (88, 2769440), (95, 2565376), (110, 2215552), (128, 1903990), (152, 1603360), (160, 1523192), (176, 1384720), (190, 1282688), (209, 1166080), (220, 1107776), (256, 951995), (304, 801680), (320, 761596), (352, 692360), (380, 641344), (418, 583040), (440, 553888), (608, 400840), (640, 380798), (704, 346180), (760, 320672), (836, 291520), (880, 276944), (911, 267520), (1045, 233216), (1216, 200420), (1280, 190399), (1408, 173090), (1520, 160336), (1672, 145760), (1760, 138472), (1822, 133760), (2090, 116608), (2432, 100210), (2816, 86545), (3040, 80168), (3344, 72880), (3520, 69236), (3644, 66880), (4180, 58304), (4555, 53504), (4864, 50105), (6080, 40084), (6688, 36440), (7040, 34618), (7288, 33440), (8360, 29152), (9110, 26752), (10021, 24320), (12160, 20042), (13376, 18220), (14080, 17309), (14576, 16720)]