20805976800

素因数分解:

$2^5\times 3^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7789}}^1$

素因数の和:7875

約数の個数: 432

約数和(自身を含む): 85441093920

約数和(自身を除く): 64635117120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 53, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 100, 105, 106, 112, 120, 126, 140, 144, 150, 159, 160, 168, 175, 180, 200, 210, 212, 224, 225, 240, 252, 265, 280, 288, 300, 315, 318, 336, 350, 360, 371, 400, 420, 424, 450, 477, 480, 504, 525, 530, 560, 600, 630, 636, 672, 700, 720, 742, 795, 800, 840, 848, 900, 954, 1008, 1050, 1060, 1113, 1120, 1200, 1260, 1272, 1325, 1400, 1440, 1484, 1575, 1590, 1680, 1696, 1800, 1855, 1908, 2016, 2100, 2120, 2226, 2385, 2400, 2520, 2544, 2650, 2800, 2968, 3150, 3180, 3339, 3360, 3600, 3710, 3816, 3975, 4200, 4240, 4452, 4770, 5040, 5088, 5300, 5565, 5600, 5936, 6300, 6360, 6678, 7200, 7420, 7632, 7789, 7950, 8400, 8480, 8904, 9275, 9540, 10080, 10600, 11130, 11872, 11925, 12600, 12720, 13356, 14840, 15264, 15578, 15900, 16695, 16800, 17808, 18550, 19080, 21200, 22260, 23367, 23850, 25200, 25440, 26712, 27825, 29680, 31156, 31800, 33390, 35616, 37100, 38160, 38945, 42400, 44520, 46734, 47700, 50400, 53424, 54523, 55650, 59360, 62312, 63600, 66780, 70101, 74200, 76320, 77890, 83475, 89040, 93468, 95400, 106848, 109046, 111300, 116835, 124624, 127200, 133560, 140202, 148400, 155780, 163569, 166950, 178080, 186936, 190800, 194725, 218092, 222600, 233670, 249248, 267120, 272615, 280404, 296800, 311560, 327138, 333900, 350505, 373872, 381600, 389450, 412817, 436184, 445200, 467340, 490707, 534240, 545230, 560808, 584175, 623120, 654276, 667800, 701010, 747744, 778900, 817845, 825634, 872368, 890400, 934680, 981414, 1090460, 1121616, 1168350, 1238451, 1246240, 1308552, 1335600, 1363075, 1402020, 1557800, 1635690, 1651268, 1744736, 1752525, 1869360, 1962828, 2064085, 2180920, 2243232, 2336700, 2453535, 2476902, 2617104, 2671200, 2726150, 2804040, 2889719, 3115600, 3271380, 3302536, 3505050, 3715353, 3738720, 3925656, 4089225, 4128170, 4361840, 4673400, 4907070, 4953804, 5234208, 5452300, 5608080, 5779438, 6192255, 6231200, 6542760, 6605072, 7010100, 7430706, 7851312, 8178450, 8256340, 8669157, 8723680, 9346800, 9814140, 9907608, 10320425, 10904600, 11216160, 11558876, 12267675, 12384510, 13085520, 13210144, 14020200, 14448595, 14861412, 15702624, 16356900, 16512680, 17338314, 18576765, 18693600, 19628280, 19815216, 20640850, 21809200, 23117752, 24535350, 24769020, 26007471, 26171040, 28040400, 28897190, 29722824, 30961275, 32713800, 33025360, 34676628, 37153530, 39256560, 39630432, 41281700, 43345785, 43618400, 46235504, 49070700, 49538040, 52014942, 56080800, 57794380, 59445648, 61922550, 65427600, 66050720, 69353256, 72242975, 74307060, 78513120, 82563400, 86691570, 92471008, 92883825, 98141400, 99076080, 104029884, 115588760, 118891296, 123845100, 130037355, 130855200, 138706512, 144485950, 148614120, 165126800, 173383140, 185767650, 196282800, 198152160, 208059768, 216728925, 231177520, 247690200, 260074710, 277413024, 288971900, 297228240, 330253600, 346766280, 371535300, 392565600, 416119536, 433457850, 462355040, 495380400, 520149420, 577943800, 594456480, 650186775, 693532560, 743070600, 832239072, 866915700, 990760800, 1040298840, 1155887600, 1300373550, 1387065120, 1486141200, 1733831400, 2080597680, 2311775200, 2600747100, 2972282400, 3467662800, 4161195360, 5201494200, 6935325600, 10402988400, 20805976800]

約数ペア:

[(1, 20805976800), (2, 10402988400), (3, 6935325600), (4, 5201494200), (5, 4161195360), (6, 3467662800), (7, 2972282400), (8, 2600747100), (9, 2311775200), (10, 2080597680), (12, 1733831400), (14, 1486141200), (15, 1387065120), (16, 1300373550), (18, 1155887600), (20, 1040298840), (21, 990760800), (24, 866915700), (25, 832239072), (28, 743070600), (30, 693532560), (32, 650186775), (35, 594456480), (36, 577943800), (40, 520149420), (42, 495380400), (45, 462355040), (48, 433457850), (50, 416119536), (53, 392565600), (56, 371535300), (60, 346766280), (63, 330253600), (70, 297228240), (72, 288971900), (75, 277413024), (80, 260074710), (84, 247690200), (90, 231177520), (96, 216728925), (100, 208059768), (105, 198152160), (106, 196282800), (112, 185767650), (120, 173383140), (126, 165126800), (140, 148614120), (144, 144485950), (150, 138706512), (159, 130855200), (160, 130037355), (168, 123845100), (175, 118891296), (180, 115588760), (200, 104029884), (210, 99076080), (212, 98141400), (224, 92883825), (225, 92471008), (240, 86691570), (252, 82563400), (265, 78513120), (280, 74307060), (288, 72242975), (300, 69353256), (315, 66050720), (318, 65427600), (336, 61922550), (350, 59445648), (360, 57794380), (371, 56080800), (400, 52014942), (420, 49538040), (424, 49070700), (450, 46235504), (477, 43618400), (480, 43345785), (504, 41281700), (525, 39630432), (530, 39256560), (560, 37153530), (600, 34676628), (630, 33025360), (636, 32713800), (672, 30961275), (700, 29722824), (720, 28897190), (742, 28040400), (795, 26171040), (800, 26007471), (840, 24769020), (848, 24535350), (900, 23117752), (954, 21809200), (1008, 20640850), (1050, 19815216), (1060, 19628280), (1113, 18693600), (1120, 18576765), (1200, 17338314), (1260, 16512680), (1272, 16356900), (1325, 15702624), (1400, 14861412), (1440, 14448595), (1484, 14020200), (1575, 13210144), (1590, 13085520), (1680, 12384510), (1696, 12267675), (1800, 11558876), (1855, 11216160), (1908, 10904600), (2016, 10320425), (2100, 9907608), (2120, 9814140), (2226, 9346800), (2385, 8723680), (2400, 8669157), (2520, 8256340), (2544, 8178450), (2650, 7851312), (2800, 7430706), (2968, 7010100), (3150, 6605072), (3180, 6542760), (3339, 6231200), (3360, 6192255), (3600, 5779438), (3710, 5608080), (3816, 5452300), (3975, 5234208), (4200, 4953804), (4240, 4907070), (4452, 4673400), (4770, 4361840), (5040, 4128170), (5088, 4089225), (5300, 3925656), (5565, 3738720), (5600, 3715353), (5936, 3505050), (6300, 3302536), (6360, 3271380), (6678, 3115600), (7200, 2889719), (7420, 2804040), (7632, 2726150), (7789, 2671200), (7950, 2617104), (8400, 2476902), (8480, 2453535), (8904, 2336700), (9275, 2243232), (9540, 2180920), (10080, 2064085), (10600, 1962828), (11130, 1869360), (11872, 1752525), (11925, 1744736), (12600, 1651268), (12720, 1635690), (13356, 1557800), (14840, 1402020), (15264, 1363075), (15578, 1335600), (15900, 1308552), (16695, 1246240), (16800, 1238451), (17808, 1168350), (18550, 1121616), (19080, 1090460), (21200, 981414), (22260, 934680), (23367, 890400), (23850, 872368), (25200, 825634), (25440, 817845), (26712, 778900), (27825, 747744), (29680, 701010), (31156, 667800), (31800, 654276), (33390, 623120), (35616, 584175), (37100, 560808), (38160, 545230), (38945, 534240), (42400, 490707), (44520, 467340), (46734, 445200), (47700, 436184), (50400, 412817), (53424, 389450), (54523, 381600), (55650, 373872), (59360, 350505), (62312, 333900), (63600, 327138), (66780, 311560), (70101, 296800), (74200, 280404), (76320, 272615), (77890, 267120), (83475, 249248), (89040, 233670), (93468, 222600), (95400, 218092), (106848, 194725), (109046, 190800), (111300, 186936), (116835, 178080), (124624, 166950), (127200, 163569), (133560, 155780), (140202, 148400)]