20864040960

素因数分解:

$2^{19}\times 3^1\times 5^1\times 7^1\times {\mathrm{379}}^1$

素因数の和:432

約数の個数: 320

約数和(自身を含む): 76504032000

約数和(自身を除く): 55639991040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 379, 384, 420, 448, 480, 512, 560, 640, 672, 758, 768, 840, 896, 960, 1024, 1120, 1137, 1280, 1344, 1516, 1536, 1680, 1792, 1895, 1920, 2048, 2240, 2274, 2560, 2653, 2688, 3032, 3072, 3360, 3584, 3790, 3840, 4096, 4480, 4548, 5120, 5306, 5376, 5685, 6064, 6144, 6720, 7168, 7580, 7680, 7959, 8192, 8960, 9096, 10240, 10612, 10752, 11370, 12128, 12288, 13265, 13440, 14336, 15160, 15360, 15918, 16384, 17920, 18192, 20480, 21224, 21504, 22740, 24256, 24576, 26530, 26880, 28672, 30320, 30720, 31836, 32768, 35840, 36384, 39795, 40960, 42448, 43008, 45480, 48512, 49152, 53060, 53760, 57344, 60640, 61440, 63672, 65536, 71680, 72768, 79590, 81920, 84896, 86016, 90960, 97024, 98304, 106120, 107520, 114688, 121280, 122880, 127344, 131072, 143360, 145536, 159180, 163840, 169792, 172032, 181920, 194048, 196608, 212240, 215040, 229376, 242560, 245760, 254688, 262144, 286720, 291072, 318360, 327680, 339584, 344064, 363840, 388096, 393216, 424480, 430080, 458752, 485120, 491520, 509376, 524288, 573440, 582144, 636720, 655360, 679168, 688128, 727680, 776192, 786432, 848960, 860160, 917504, 970240, 983040, 1018752, 1146880, 1164288, 1273440, 1310720, 1358336, 1376256, 1455360, 1552384, 1572864, 1697920, 1720320, 1835008, 1940480, 1966080, 2037504, 2293760, 2328576, 2546880, 2621440, 2716672, 2752512, 2910720, 3104768, 3395840, 3440640, 3670016, 3880960, 3932160, 4075008, 4587520, 4657152, 5093760, 5433344, 5505024, 5821440, 6209536, 6791680, 6881280, 7761920, 7864320, 8150016, 9175040, 9314304, 10187520, 10866688, 11010048, 11642880, 12419072, 13583360, 13762560, 15523840, 16300032, 18350080, 18628608, 20375040, 21733376, 23285760, 24838144, 27166720, 27525120, 31047680, 32600064, 37257216, 40750080, 43466752, 46571520, 49676288, 54333440, 55050240, 62095360, 65200128, 74514432, 81500160, 86933504, 93143040, 99352576, 108666880, 124190720, 130400256, 149028864, 163000320, 173867008, 186286080, 198705152, 217333760, 248381440, 260800512, 298057728, 326000640, 347734016, 372572160, 434667520, 496762880, 521601024, 596115456, 652001280, 695468032, 745144320, 869335040, 993525760, 1043202048, 1304002560, 1390936064, 1490288640, 1738670080, 2086404096, 2608005120, 2980577280, 3477340160, 4172808192, 5216010240, 6954680320, 10432020480, 20864040960]

約数ペア:

[(1, 20864040960), (2, 10432020480), (3, 6954680320), (4, 5216010240), (5, 4172808192), (6, 3477340160), (7, 2980577280), (8, 2608005120), (10, 2086404096), (12, 1738670080), (14, 1490288640), (15, 1390936064), (16, 1304002560), (20, 1043202048), (21, 993525760), (24, 869335040), (28, 745144320), (30, 695468032), (32, 652001280), (35, 596115456), (40, 521601024), (42, 496762880), (48, 434667520), (56, 372572160), (60, 347734016), (64, 326000640), (70, 298057728), (80, 260800512), (84, 248381440), (96, 217333760), (105, 198705152), (112, 186286080), (120, 173867008), (128, 163000320), (140, 149028864), (160, 130400256), (168, 124190720), (192, 108666880), (210, 99352576), (224, 93143040), (240, 86933504), (256, 81500160), (280, 74514432), (320, 65200128), (336, 62095360), (379, 55050240), (384, 54333440), (420, 49676288), (448, 46571520), (480, 43466752), (512, 40750080), (560, 37257216), (640, 32600064), (672, 31047680), (758, 27525120), (768, 27166720), (840, 24838144), (896, 23285760), (960, 21733376), (1024, 20375040), (1120, 18628608), (1137, 18350080), (1280, 16300032), (1344, 15523840), (1516, 13762560), (1536, 13583360), (1680, 12419072), (1792, 11642880), (1895, 11010048), (1920, 10866688), (2048, 10187520), (2240, 9314304), (2274, 9175040), (2560, 8150016), (2653, 7864320), (2688, 7761920), (3032, 6881280), (3072, 6791680), (3360, 6209536), (3584, 5821440), (3790, 5505024), (3840, 5433344), (4096, 5093760), (4480, 4657152), (4548, 4587520), (5120, 4075008), (5306, 3932160), (5376, 3880960), (5685, 3670016), (6064, 3440640), (6144, 3395840), (6720, 3104768), (7168, 2910720), (7580, 2752512), (7680, 2716672), (7959, 2621440), (8192, 2546880), (8960, 2328576), (9096, 2293760), (10240, 2037504), (10612, 1966080), (10752, 1940480), (11370, 1835008), (12128, 1720320), (12288, 1697920), (13265, 1572864), (13440, 1552384), (14336, 1455360), (15160, 1376256), (15360, 1358336), (15918, 1310720), (16384, 1273440), (17920, 1164288), (18192, 1146880), (20480, 1018752), (21224, 983040), (21504, 970240), (22740, 917504), (24256, 860160), (24576, 848960), (26530, 786432), (26880, 776192), (28672, 727680), (30320, 688128), (30720, 679168), (31836, 655360), (32768, 636720), (35840, 582144), (36384, 573440), (39795, 524288), (40960, 509376), (42448, 491520), (43008, 485120), (45480, 458752), (48512, 430080), (49152, 424480), (53060, 393216), (53760, 388096), (57344, 363840), (60640, 344064), (61440, 339584), (63672, 327680), (65536, 318360), (71680, 291072), (72768, 286720), (79590, 262144), (81920, 254688), (84896, 245760), (86016, 242560), (90960, 229376), (97024, 215040), (98304, 212240), (106120, 196608), (107520, 194048), (114688, 181920), (121280, 172032), (122880, 169792), (127344, 163840), (131072, 159180), (143360, 145536)]