21540494080

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{5821}}^1$

素因数の和:5915

約数の個数: 216

約数和(自身を含む): 61047861840

約数和(自身を除く): 39507367760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 59, 64, 70, 80, 98, 112, 118, 128, 140, 160, 196, 224, 236, 245, 256, 280, 295, 320, 392, 413, 448, 472, 490, 560, 590, 640, 784, 826, 896, 944, 980, 1120, 1180, 1280, 1568, 1652, 1792, 1888, 1960, 2065, 2240, 2360, 2891, 3136, 3304, 3776, 3920, 4130, 4480, 4720, 5782, 5821, 6272, 6608, 7552, 7840, 8260, 8960, 9440, 11564, 11642, 12544, 13216, 14455, 15104, 15680, 16520, 18880, 23128, 23284, 26432, 28910, 29105, 31360, 33040, 37760, 40747, 46256, 46568, 52864, 57820, 58210, 62720, 66080, 75520, 81494, 92512, 93136, 105728, 115640, 116420, 132160, 162988, 185024, 186272, 203735, 231280, 232840, 264320, 285229, 325976, 343439, 370048, 372544, 407470, 462560, 465680, 528640, 570458, 651952, 686878, 740096, 745088, 814940, 925120, 931360, 1140916, 1303904, 1373756, 1426145, 1490176, 1629880, 1717195, 1850240, 1862720, 2281832, 2404073, 2607808, 2747512, 2852290, 3259760, 3434390, 3700480, 3725440, 4563664, 4808146, 5215616, 5495024, 5704580, 6519520, 6868780, 7450880, 9127328, 9616292, 10431232, 10990048, 11409160, 12020365, 13039040, 13737560, 16828511, 18254656, 19232584, 21980096, 22818320, 24040730, 26078080, 27475120, 33657022, 36509312, 38465168, 43960192, 45636640, 48081460, 52156160, 54950240, 67314044, 73018624, 76930336, 84142555, 87920384, 91273280, 96162920, 109900480, 134628088, 153860672, 168285110, 182546560, 192325840, 219800960, 269256176, 307721344, 336570220, 365093120, 384651680, 439601920, 538512352, 615442688, 673140440, 769303360, 1077024704, 1346280880, 1538606720, 2154049408, 2692561760, 3077213440, 4308098816, 5385123520, 10770247040, 21540494080]

約数ペア:

[(1, 21540494080), (2, 10770247040), (4, 5385123520), (5, 4308098816), (7, 3077213440), (8, 2692561760), (10, 2154049408), (14, 1538606720), (16, 1346280880), (20, 1077024704), (28, 769303360), (32, 673140440), (35, 615442688), (40, 538512352), (49, 439601920), (56, 384651680), (59, 365093120), (64, 336570220), (70, 307721344), (80, 269256176), (98, 219800960), (112, 192325840), (118, 182546560), (128, 168285110), (140, 153860672), (160, 134628088), (196, 109900480), (224, 96162920), (236, 91273280), (245, 87920384), (256, 84142555), (280, 76930336), (295, 73018624), (320, 67314044), (392, 54950240), (413, 52156160), (448, 48081460), (472, 45636640), (490, 43960192), (560, 38465168), (590, 36509312), (640, 33657022), (784, 27475120), (826, 26078080), (896, 24040730), (944, 22818320), (980, 21980096), (1120, 19232584), (1180, 18254656), (1280, 16828511), (1568, 13737560), (1652, 13039040), (1792, 12020365), (1888, 11409160), (1960, 10990048), (2065, 10431232), (2240, 9616292), (2360, 9127328), (2891, 7450880), (3136, 6868780), (3304, 6519520), (3776, 5704580), (3920, 5495024), (4130, 5215616), (4480, 4808146), (4720, 4563664), (5782, 3725440), (5821, 3700480), (6272, 3434390), (6608, 3259760), (7552, 2852290), (7840, 2747512), (8260, 2607808), (8960, 2404073), (9440, 2281832), (11564, 1862720), (11642, 1850240), (12544, 1717195), (13216, 1629880), (14455, 1490176), (15104, 1426145), (15680, 1373756), (16520, 1303904), (18880, 1140916), (23128, 931360), (23284, 925120), (26432, 814940), (28910, 745088), (29105, 740096), (31360, 686878), (33040, 651952), (37760, 570458), (40747, 528640), (46256, 465680), (46568, 462560), (52864, 407470), (57820, 372544), (58210, 370048), (62720, 343439), (66080, 325976), (75520, 285229), (81494, 264320), (92512, 232840), (93136, 231280), (105728, 203735), (115640, 186272), (116420, 185024), (132160, 162988)]