21681292680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{52691}}^1$

素因数の和:52841

約数の個数: 160

約数和(自身を含む): 73448432640

約数和(自身を除く): 51767139960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 127, 135, 162, 180, 216, 254, 270, 324, 360, 381, 405, 508, 540, 635, 648, 762, 810, 1016, 1080, 1143, 1270, 1524, 1620, 1905, 2286, 2540, 3048, 3240, 3429, 3810, 4572, 5080, 5715, 6858, 7620, 9144, 10287, 11430, 13716, 15240, 17145, 20574, 22860, 27432, 34290, 41148, 45720, 51435, 52691, 68580, 82296, 102870, 105382, 137160, 158073, 205740, 210764, 263455, 316146, 411480, 421528, 474219, 526910, 632292, 790365, 948438, 1053820, 1264584, 1422657, 1580730, 1896876, 2107640, 2371095, 2845314, 3161460, 3793752, 4267971, 4742190, 5690628, 6322920, 6691757, 7113285, 8535942, 9484380, 11381256, 13383514, 14226570, 17071884, 18968760, 20075271, 21339855, 26767028, 28453140, 33458785, 34143768, 40150542, 42679710, 53534056, 56906280, 60225813, 66917570, 80301084, 85359420, 100376355, 120451626, 133835140, 160602168, 170718840, 180677439, 200752710, 240903252, 267670280, 301129065, 361354878, 401505420, 481806504, 542032317, 602258130, 722709756, 803010840, 903387195, 1084064634, 1204516260, 1445419512, 1806774390, 2168129268, 2409032520, 2710161585, 3613548780, 4336258536, 5420323170, 7227097560, 10840646340, 21681292680]

約数ペア:

[(1, 21681292680), (2, 10840646340), (3, 7227097560), (4, 5420323170), (5, 4336258536), (6, 3613548780), (8, 2710161585), (9, 2409032520), (10, 2168129268), (12, 1806774390), (15, 1445419512), (18, 1204516260), (20, 1084064634), (24, 903387195), (27, 803010840), (30, 722709756), (36, 602258130), (40, 542032317), (45, 481806504), (54, 401505420), (60, 361354878), (72, 301129065), (81, 267670280), (90, 240903252), (108, 200752710), (120, 180677439), (127, 170718840), (135, 160602168), (162, 133835140), (180, 120451626), (216, 100376355), (254, 85359420), (270, 80301084), (324, 66917570), (360, 60225813), (381, 56906280), (405, 53534056), (508, 42679710), (540, 40150542), (635, 34143768), (648, 33458785), (762, 28453140), (810, 26767028), (1016, 21339855), (1080, 20075271), (1143, 18968760), (1270, 17071884), (1524, 14226570), (1620, 13383514), (1905, 11381256), (2286, 9484380), (2540, 8535942), (3048, 7113285), (3240, 6691757), (3429, 6322920), (3810, 5690628), (4572, 4742190), (5080, 4267971), (5715, 3793752), (6858, 3161460), (7620, 2845314), (9144, 2371095), (10287, 2107640), (11430, 1896876), (13716, 1580730), (15240, 1422657), (17145, 1264584), (20574, 1053820), (22860, 948438), (27432, 790365), (34290, 632292), (41148, 526910), (45720, 474219), (51435, 421528), (52691, 411480), (68580, 316146), (82296, 263455), (102870, 210764), (105382, 205740), (137160, 158073)]