21578002560

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{5501}}^1$

素因数の和:5756

約数の個数: 256

約数和(自身を含む): 76772707200

約数和(自身を除く): 55194704640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 227, 240, 270, 288, 320, 360, 384, 432, 454, 480, 540, 576, 640, 681, 720, 864, 908, 960, 1080, 1135, 1152, 1362, 1440, 1728, 1816, 1920, 2043, 2160, 2270, 2724, 2880, 3405, 3456, 3632, 4086, 4320, 4540, 5448, 5501, 5760, 6129, 6810, 7264, 8172, 8640, 9080, 10215, 10896, 11002, 12258, 13620, 14528, 16344, 16503, 17280, 18160, 20430, 21792, 22004, 24516, 27240, 27505, 29056, 30645, 32688, 33006, 36320, 40860, 43584, 44008, 49032, 49509, 54480, 55010, 61290, 65376, 66012, 72640, 81720, 82515, 87168, 88016, 98064, 99018, 108960, 110020, 122580, 130752, 132024, 145280, 148527, 163440, 165030, 176032, 196128, 198036, 217920, 220040, 245160, 247545, 261504, 264048, 297054, 326880, 330060, 352064, 392256, 396072, 435840, 440080, 490320, 495090, 528096, 594108, 653760, 660120, 704128, 742635, 784512, 792144, 880160, 980640, 990180, 1056192, 1188216, 1248727, 1307520, 1320240, 1485270, 1584288, 1760320, 1961280, 1980360, 2112384, 2376432, 2497454, 2640480, 2970540, 3168576, 3520640, 3746181, 3922560, 3960720, 4752864, 4994908, 5280960, 5941080, 6243635, 6337152, 7492362, 7921440, 9505728, 9989816, 10561920, 11238543, 11882160, 12487270, 14984724, 15842880, 18730905, 19011456, 19979632, 22477086, 23764320, 24974540, 29969448, 31685760, 33715629, 37461810, 39959264, 44954172, 47528640, 49949080, 56192715, 59938896, 67431258, 74923620, 79918528, 89908344, 95057280, 99898160, 112385430, 119877792, 134862516, 149847240, 159837056, 168578145, 179816688, 199796320, 224770860, 239755584, 269725032, 299694480, 337156290, 359633376, 399592640, 449541720, 479511168, 539450064, 599388960, 674312580, 719266752, 799185280, 899083440, 1078900128, 1198777920, 1348625160, 1438533504, 1798166880, 2157800256, 2397555840, 2697250320, 3596333760, 4315600512, 5394500640, 7192667520, 10789001280, 21578002560]

約数ペア:

[(1, 21578002560), (2, 10789001280), (3, 7192667520), (4, 5394500640), (5, 4315600512), (6, 3596333760), (8, 2697250320), (9, 2397555840), (10, 2157800256), (12, 1798166880), (15, 1438533504), (16, 1348625160), (18, 1198777920), (20, 1078900128), (24, 899083440), (27, 799185280), (30, 719266752), (32, 674312580), (36, 599388960), (40, 539450064), (45, 479511168), (48, 449541720), (54, 399592640), (60, 359633376), (64, 337156290), (72, 299694480), (80, 269725032), (90, 239755584), (96, 224770860), (108, 199796320), (120, 179816688), (128, 168578145), (135, 159837056), (144, 149847240), (160, 134862516), (180, 119877792), (192, 112385430), (216, 99898160), (227, 95057280), (240, 89908344), (270, 79918528), (288, 74923620), (320, 67431258), (360, 59938896), (384, 56192715), (432, 49949080), (454, 47528640), (480, 44954172), (540, 39959264), (576, 37461810), (640, 33715629), (681, 31685760), (720, 29969448), (864, 24974540), (908, 23764320), (960, 22477086), (1080, 19979632), (1135, 19011456), (1152, 18730905), (1362, 15842880), (1440, 14984724), (1728, 12487270), (1816, 11882160), (1920, 11238543), (2043, 10561920), (2160, 9989816), (2270, 9505728), (2724, 7921440), (2880, 7492362), (3405, 6337152), (3456, 6243635), (3632, 5941080), (4086, 5280960), (4320, 4994908), (4540, 4752864), (5448, 3960720), (5501, 3922560), (5760, 3746181), (6129, 3520640), (6810, 3168576), (7264, 2970540), (8172, 2640480), (8640, 2497454), (9080, 2376432), (10215, 2112384), (10896, 1980360), (11002, 1961280), (12258, 1760320), (13620, 1584288), (14528, 1485270), (16344, 1320240), (16503, 1307520), (17280, 1248727), (18160, 1188216), (20430, 1056192), (21792, 990180), (22004, 980640), (24516, 880160), (27240, 792144), (27505, 784512), (29056, 742635), (30645, 704128), (32688, 660120), (33006, 653760), (36320, 594108), (40860, 528096), (43584, 495090), (44008, 490320), (49032, 440080), (49509, 435840), (54480, 396072), (55010, 392256), (61290, 352064), (65376, 330060), (66012, 326880), (72640, 297054), (81720, 264048), (82515, 261504), (87168, 247545), (88016, 245160), (98064, 220040), (99018, 217920), (108960, 198036), (110020, 196128), (122580, 176032), (130752, 165030), (132024, 163440), (145280, 148527)]