1657232640

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{20551}}^1$

素因数の和:20585

約数の個数: 216

約数和(自身を含む): 6553292928

約数和(自身を除く): 4896060288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 20551, 26880, 40320, 41102, 61653, 80640, 82204, 102755, 123306, 143857, 164408, 184959, 205510, 246612, 287714, 308265, 328816, 369918, 411020, 431571, 493224, 575428, 616530, 657632, 719285, 739836, 822040, 863142, 924795, 986448, 1150856, 1233060, 1294713, 1315264, 1438570, 1479672, 1644080, 1726284, 1849590, 1972896, 2157855, 2301712, 2466120, 2589426, 2630528, 2877140, 2959344, 3288160, 3452568, 3699180, 3945792, 4315710, 4603424, 4932240, 5178852, 5261056, 5754280, 5918688, 6473565, 6576320, 6905136, 7398360, 7891584, 8631420, 9206848, 9864480, 10357704, 11508560, 11837376, 12947130, 13152640, 13810272, 14796720, 15783168, 17262840, 18413696, 19728960, 20715408, 23017120, 23674752, 25894260, 26305280, 27620544, 29593440, 34525680, 36827392, 39457920, 41430816, 46034240, 47349504, 51788520, 55241088, 59186880, 69051360, 78915840, 82861632, 92068480, 103577040, 110482176, 118373760, 138102720, 165723264, 184136960, 207154080, 236747520, 276205440, 331446528, 414308160, 552410880, 828616320, 1657232640]

約数ペア:

[(1, 1657232640), (2, 828616320), (3, 552410880), (4, 414308160), (5, 331446528), (6, 276205440), (7, 236747520), (8, 207154080), (9, 184136960), (10, 165723264), (12, 138102720), (14, 118373760), (15, 110482176), (16, 103577040), (18, 92068480), (20, 82861632), (21, 78915840), (24, 69051360), (28, 59186880), (30, 55241088), (32, 51788520), (35, 47349504), (36, 46034240), (40, 41430816), (42, 39457920), (45, 36827392), (48, 34525680), (56, 29593440), (60, 27620544), (63, 26305280), (64, 25894260), (70, 23674752), (72, 23017120), (80, 20715408), (84, 19728960), (90, 18413696), (96, 17262840), (105, 15783168), (112, 14796720), (120, 13810272), (126, 13152640), (128, 12947130), (140, 11837376), (144, 11508560), (160, 10357704), (168, 9864480), (180, 9206848), (192, 8631420), (210, 7891584), (224, 7398360), (240, 6905136), (252, 6576320), (256, 6473565), (280, 5918688), (288, 5754280), (315, 5261056), (320, 5178852), (336, 4932240), (360, 4603424), (384, 4315710), (420, 3945792), (448, 3699180), (480, 3452568), (504, 3288160), (560, 2959344), (576, 2877140), (630, 2630528), (640, 2589426), (672, 2466120), (720, 2301712), (768, 2157855), (840, 1972896), (896, 1849590), (960, 1726284), (1008, 1644080), (1120, 1479672), (1152, 1438570), (1260, 1315264), (1280, 1294713), (1344, 1233060), (1440, 1150856), (1680, 986448), (1792, 924795), (1920, 863142), (2016, 822040), (2240, 739836), (2304, 719285), (2520, 657632), (2688, 616530), (2880, 575428), (3360, 493224), (3840, 431571), (4032, 411020), (4480, 369918), (5040, 328816), (5376, 308265), (5760, 287714), (6720, 246612), (8064, 205510), (8960, 184959), (10080, 164408), (11520, 143857), (13440, 123306), (16128, 102755), (20160, 82204), (20551, 80640), (26880, 61653), (40320, 41102)]