19804020480

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{761}}^1$

素因数の和:1045

約数の個数: 360

約数和(自身を含む): 71238215664

約数和(自身を除く): 51434195184

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, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 251, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 502, 540, 576, 640, 648, 720, 753, 761, 768, 810, 864, 960, 1004, 1080, 1152, 1255, 1280, 1296, 1440, 1506, 1522, 1620, 1728, 1920, 2008, 2160, 2259, 2283, 2304, 2510, 2592, 2880, 3012, 3044, 3240, 3456, 3765, 3805, 3840, 4016, 4320, 4518, 4566, 5020, 5184, 5760, 6024, 6088, 6480, 6777, 6849, 6912, 7530, 7610, 8032, 8640, 9036, 9132, 10040, 10368, 11295, 11415, 11520, 12048, 12176, 12960, 13554, 13698, 15060, 15220, 16064, 17280, 18072, 18264, 20080, 20331, 20547, 20736, 22590, 22830, 24096, 24352, 25920, 27108, 27396, 30120, 30440, 32128, 33885, 34245, 34560, 36144, 36528, 40160, 40662, 41094, 45180, 45660, 48192, 48704, 51840, 54216, 54792, 60240, 60880, 61641, 64256, 67770, 68490, 72288, 73056, 80320, 81324, 82188, 90360, 91320, 96384, 97408, 101655, 102735, 103680, 108432, 109584, 120480, 121760, 123282, 135540, 136980, 144576, 146112, 160640, 162648, 164376, 180720, 182640, 191011, 192768, 194816, 203310, 205470, 216864, 219168, 240960, 243520, 246564, 271080, 273960, 289152, 292224, 308205, 321280, 325296, 328752, 361440, 365280, 382022, 406620, 410940, 433728, 438336, 481920, 487040, 493128, 542160, 547920, 573033, 578304, 584448, 616410, 650592, 657504, 722880, 730560, 764044, 813240, 821880, 867456, 876672, 955055, 963840, 974080, 986256, 1084320, 1095840, 1146066, 1232820, 1301184, 1315008, 1445760, 1461120, 1528088, 1626480, 1643760, 1719099, 1734912, 1753344, 1910110, 1972512, 2168640, 2191680, 2292132, 2465640, 2602368, 2630016, 2865165, 2891520, 2922240, 3056176, 3252960, 3287520, 3438198, 3820220, 3945024, 4337280, 4383360, 4584264, 4931280, 5157297, 5204736, 5260032, 5730330, 6112352, 6505920, 6575040, 6876396, 7640440, 7890048, 8595495, 8674560, 8766720, 9168528, 9862560, 10314594, 11460660, 12224704, 13011840, 13150080, 13752792, 15280880, 15471891, 15780096, 17190990, 18337056, 19725120, 20629188, 22921320, 24449408, 25786485, 26023680, 26300160, 27505584, 30561760, 30943782, 34381980, 36674112, 39450240, 41258376, 45842640, 48898816, 51572970, 55011168, 61123520, 61887564, 68763960, 73348224, 77359455, 78900480, 82516752, 91685280, 103145940, 110022336, 122247040, 123775128, 137527920, 146696448, 154718910, 165033504, 183370560, 206291880, 220044672, 244494080, 247550256, 275055840, 309437820, 330067008, 366741120, 412583760, 440089344, 495100512, 550111680, 618875640, 660134016, 733482240, 825167520, 990201024, 1100223360, 1237751280, 1320268032, 1650335040, 1980402048, 2200446720, 2475502560, 3300670080, 3960804096, 4951005120, 6601340160, 9902010240, 19804020480]

約数ペア:

[(1, 19804020480), (2, 9902010240), (3, 6601340160), (4, 4951005120), (5, 3960804096), (6, 3300670080), (8, 2475502560), (9, 2200446720), (10, 1980402048), (12, 1650335040), (15, 1320268032), (16, 1237751280), (18, 1100223360), (20, 990201024), (24, 825167520), (27, 733482240), (30, 660134016), (32, 618875640), (36, 550111680), (40, 495100512), (45, 440089344), (48, 412583760), (54, 366741120), (60, 330067008), (64, 309437820), (72, 275055840), (80, 247550256), (81, 244494080), (90, 220044672), (96, 206291880), (108, 183370560), (120, 165033504), (128, 154718910), (135, 146696448), (144, 137527920), (160, 123775128), (162, 122247040), (180, 110022336), (192, 103145940), (216, 91685280), (240, 82516752), (251, 78900480), (256, 77359455), (270, 73348224), (288, 68763960), (320, 61887564), (324, 61123520), (360, 55011168), (384, 51572970), (405, 48898816), (432, 45842640), (480, 41258376), (502, 39450240), (540, 36674112), (576, 34381980), (640, 30943782), (648, 30561760), (720, 27505584), (753, 26300160), (761, 26023680), (768, 25786485), (810, 24449408), (864, 22921320), (960, 20629188), (1004, 19725120), (1080, 18337056), (1152, 17190990), (1255, 15780096), (1280, 15471891), (1296, 15280880), (1440, 13752792), (1506, 13150080), (1522, 13011840), (1620, 12224704), (1728, 11460660), (1920, 10314594), (2008, 9862560), (2160, 9168528), (2259, 8766720), (2283, 8674560), (2304, 8595495), (2510, 7890048), (2592, 7640440), (2880, 6876396), (3012, 6575040), (3044, 6505920), (3240, 6112352), (3456, 5730330), (3765, 5260032), (3805, 5204736), (3840, 5157297), (4016, 4931280), (4320, 4584264), (4518, 4383360), (4566, 4337280), (5020, 3945024), (5184, 3820220), (5760, 3438198), (6024, 3287520), (6088, 3252960), (6480, 3056176), (6777, 2922240), (6849, 2891520), (6912, 2865165), (7530, 2630016), (7610, 2602368), (8032, 2465640), (8640, 2292132), (9036, 2191680), (9132, 2168640), (10040, 1972512), (10368, 1910110), (11295, 1753344), (11415, 1734912), (11520, 1719099), (12048, 1643760), (12176, 1626480), (12960, 1528088), (13554, 1461120), (13698, 1445760), (15060, 1315008), (15220, 1301184), (16064, 1232820), (17280, 1146066), (18072, 1095840), (18264, 1084320), (20080, 986256), (20331, 974080), (20547, 963840), (20736, 955055), (22590, 876672), (22830, 867456), (24096, 821880), (24352, 813240), (25920, 764044), (27108, 730560), (27396, 722880), (30120, 657504), (30440, 650592), (32128, 616410), (33885, 584448), (34245, 578304), (34560, 573033), (36144, 547920), (36528, 542160), (40160, 493128), (40662, 487040), (41094, 481920), (45180, 438336), (45660, 433728), (48192, 410940), (48704, 406620), (51840, 382022), (54216, 365280), (54792, 361440), (60240, 328752), (60880, 325296), (61641, 321280), (64256, 308205), (67770, 292224), (68490, 289152), (72288, 273960), (73056, 271080), (80320, 246564), (81324, 243520), (82188, 240960), (90360, 219168), (91320, 216864), (96384, 205470), (97408, 203310), (101655, 194816), (102735, 192768), (103680, 191011), (108432, 182640), (109584, 180720), (120480, 164376), (121760, 162648), (123282, 160640), (135540, 146112), (136980, 144576)]